diff --git a/test/battle/ability/harvest.c b/test/battle/ability/harvest.c
new file mode 100644
index 000000000..9fb969b03
--- /dev/null
+++ b/test/battle/ability/harvest.c
@@ -0,0 +1,17 @@
+#include "global.h"
+#include "test/battle.h"
+
+TO_DO_BATTLE_TEST("Harvest has a 50% chance to restore a Berry at the end of the turn");
+TO_DO_BATTLE_TEST("Harvest always restores a Berry in Sunlight");
+TO_DO_BATTLE_TEST("Harvest restores a Berry even after being switched out and back in");
+TO_DO_BATTLE_TEST("Harvest restores a Berry consumed by Fling");
+TO_DO_BATTLE_TEST("Harvest restores a Berry consumed by Natural Gift");
+TO_DO_BATTLE_TEST("Harvest only works once per turn"); // Check for berries that are consumed immediately, like Pecha Berry
+TO_DO_BATTLE_TEST("Harvest doesn't restore a Berry when destroyed by Incinerate");
+TO_DO_BATTLE_TEST("Harvest doesn't restore a Berry when knocked off by Knock Off");
+TO_DO_BATTLE_TEST("Harvest doesn't restore a Berry when eaten by Bug Bite/Pluck");
+TO_DO_BATTLE_TEST("Harvest doesn't restore a Berry that's collected via Pickup");
+TO_DO_BATTLE_TEST("Harvest order is affected by speed");
+TO_DO_BATTLE_TEST("Harvest doesn't restore a Berry when transfered to another Pokémon");
+TO_DO_BATTLE_TEST("Harvest can restore a Berry that was transferred from another Pokémon");
+TO_DO_BATTLE_TEST("Harvest can only restore the newest berry consumed that was transferred from another Pokémon instead of its original Berry");
diff --git a/test/battle/ability/prankster.c b/test/battle/ability/prankster.c
new file mode 100644
index 000000000..29fd11786
--- /dev/null
+++ b/test/battle/ability/prankster.c
@@ -0,0 +1,30 @@
+#include "global.h"
+#include "test/battle.h"
+
+SINGLE_BATTLE_TEST("Prankster-affected moves don't affect Dark-type Pokémon")
+{
+    GIVEN {
+        ASSUME(gSpeciesInfo[SPECIES_UMBREON].types[0] == TYPE_DARK);
+        PLAYER(SPECIES_UMBREON);
+        OPPONENT(SPECIES_MURKROW) { Ability(ABILITY_PRANKSTER); }
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_CONFUSE_RAY); }
+    } SCENE {
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_CONFUSE_RAY, player);
+        MESSAGE("It doesn't affect Umbreon…");
+    }
+}
+TO_DO_BATTLE_TEST("Prankster-affected moves affect Ally Dark-type Pokémon")
+TO_DO_BATTLE_TEST("Prankster-affected moves called via Assist don't affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves called via Nature Power don't affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves called via Instruct affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves called via After you affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves that are bounced back by Magic Bounce/Coat can affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves that are bounced back by Magic Coat from a Pokémon with Prankster can't affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves that target all Pokémon are successful regardless of the presence of Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected moves that target all Pokémon are successful regardless of the presence of Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster-affected move effects don't affect Dark-type Pokémon");
+TO_DO_BATTLE_TEST("Prankster increases the priority of moves by 1");
+TO_DO_BATTLE_TEST("Prankster increases the priority of status Z-Moves by 1");
+TO_DO_BATTLE_TEST("Prankster increases the priority of Extreme Evoboost by 1");
+TO_DO_BATTLE_TEST("Prankster is blocked by Quick Guard in Gen5+");
diff --git a/test/battle/hold_effect/safety_goggles.c b/test/battle/hold_effect/safety_goggles.c
index 3deeeb810..cecd8fbb9 100644
--- a/test/battle/hold_effect/safety_goggles.c
+++ b/test/battle/hold_effect/safety_goggles.c
@@ -10,7 +10,6 @@ SINGLE_BATTLE_TEST("Safety Goggles block powder and spore moves")
 {
     GIVEN {
         ASSUME(gBattleMoves[MOVE_STUN_SPORE].powderMove);
-        ASSUME(gItems[ITEM_SAFETY_GOGGLES].holdEffect == HOLD_EFFECT_SAFETY_GOGGLES);
         PLAYER(SPECIES_WYNAUT);
         OPPONENT(SPECIES_ABRA) { Item(ITEM_SAFETY_GOGGLES); }
     } WHEN {
@@ -21,6 +20,28 @@ SINGLE_BATTLE_TEST("Safety Goggles block powder and spore moves")
     }
 }
 
-TO_DO_BATTLE_TEST("Safety Goggles blocks damage from hail");
-TO_DO_BATTLE_TEST("Safety Goggles blocks damage from sandstorm");
+SINGLE_BATTLE_TEST("Safety Goggles blocks damage from Hail")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(player, MOVE_HAIL); }
+    } SCENE {
+        NOT MESSAGE("Foe Wobbuffet is pelted by HAIL!");
+    }
+}
+
+SINGLE_BATTLE_TEST("Safety Goggles blocks damage from Sandstorm")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(player, MOVE_SANDSTORM); }
+    } SCENE {
+        NOT MESSAGE("Foe Wobbuffet is buffeted by the sandstorm!");
+    }
+}
+
 TO_DO_BATTLE_TEST("Safety Goggles blocks Effect Spore's effect");
diff --git a/test/battle/move_effect/aurora_veil.c b/test/battle/move_effect/aurora_veil.c
new file mode 100644
index 000000000..ff255d9ae
--- /dev/null
+++ b/test/battle/move_effect/aurora_veil.c
@@ -0,0 +1,33 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_AURORA_VEIL].effect == EFFECT_AURORA_VEIL);
+}
+
+SINGLE_BATTLE_TEST("Aurora Veil can only be used in Hail and Snow")
+{
+    u32 move;
+    PARAMETRIZE { move = MOVE_CELEBRATE; }
+    PARAMETRIZE { move = MOVE_HAIL; }
+    PARAMETRIZE { move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_AURORA_VEIL); }
+    } SCENE {
+        if (move == MOVE_CELEBRATE)
+            MESSAGE("But it failed!");
+        else
+            NOT MESSAGE("But it failed!");
+    }
+}
+
+TO_DO_BATTLE_TEST("Aurora Veil reduces damage done to the user by half in singles")
+TO_DO_BATTLE_TEST("Aurora Veil reduces damage done to the user by roughly a third in doubles")
+TO_DO_BATTLE_TEST("Aurora Veil's damage reduction is ignored by Critical Hits")
+TO_DO_BATTLE_TEST("Aurora Veil's damage reduction doesn't stack with Reflect or Light Screen")
+TO_DO_BATTLE_TEST("Aurora Veil doesn't reduce confusion damage")
+TO_DO_BATTLE_TEST("Aurora Veil doesn't reduce damage done by moves that do direct damage") // Bide, Counter, Endeavor, Final Gambit, Metal Burst, Mirror Coat, Psywave, Seismic Toss, Sonic Boom, Super Fang
diff --git a/test/battle/move_effect/burn_hit.c b/test/battle/move_effect/burn_hit.c
index 3f257dfcb..762780009 100644
--- a/test/battle/move_effect/burn_hit.c
+++ b/test/battle/move_effect/burn_hit.c
@@ -21,7 +21,7 @@ SINGLE_BATTLE_TEST("Ember inflicts burn")
     }
 }
 
-SINGLE_BATTLE_TEST("Ember cannot burn a Fire-type")
+SINGLE_BATTLE_TEST("Ember cannot burn a Fire-type Pokémon")
 {
     GIVEN {
         ASSUME(gSpeciesInfo[SPECIES_CHARMANDER].types[0] == TYPE_FIRE);
diff --git a/test/battle/move_effect/freeze_hit.c b/test/battle/move_effect/freeze_hit.c
index 5d99311ce..9874ccc77 100644
--- a/test/battle/move_effect/freeze_hit.c
+++ b/test/battle/move_effect/freeze_hit.c
@@ -4,6 +4,7 @@
 ASSUMPTIONS
 {
     ASSUME(gBattleMoves[MOVE_POWDER_SNOW].effect == EFFECT_FREEZE_HIT);
+    ASSUME(gBattleMoves[MOVE_BLIZZARD].accuracy == 70);
 }
 
 SINGLE_BATTLE_TEST("Powder Snow inflicts freeze")
@@ -21,7 +22,7 @@ SINGLE_BATTLE_TEST("Powder Snow inflicts freeze")
     }
 }
 
-SINGLE_BATTLE_TEST("Powder Snow cannot freeze an Ice-type")
+SINGLE_BATTLE_TEST("Powder Snow cannot freeze an Ice-type Pokémon")
 {
     GIVEN {
         ASSUME(gSpeciesInfo[SPECIES_SNORUNT].types[0] == TYPE_ICE);
@@ -36,3 +37,30 @@ SINGLE_BATTLE_TEST("Powder Snow cannot freeze an Ice-type")
         NOT STATUS_ICON(opponent, freeze: TRUE);
     }
 }
+
+SINGLE_BATTLE_TEST("Freeze cannot be inflicted in Sunlight")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUNNY_DAY); MOVE(player, MOVE_ICE_BEAM); }
+    } SCENE {
+        NOT MESSAGE("Wobbuffet was frozen solid!");
+    }
+}
+
+SINGLE_BATTLE_TEST("Blizzard bypasses accuracy checks in Hail and Snow")
+{
+    u32 move;
+    PARAMETRIZE { move = MOVE_HAIL; }
+    PARAMETRIZE { move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_BLIZZARD); }
+    } SCENE {
+        NONE_OF { MESSAGE("Wobbuffet's attack missed!"); }
+    }
+}
diff --git a/test/battle/move_effect/hurricane.c b/test/battle/move_effect/hurricane.c
new file mode 100644
index 000000000..31cd956b1
--- /dev/null
+++ b/test/battle/move_effect/hurricane.c
@@ -0,0 +1,35 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_HURRICANE].effect == EFFECT_HURRICANE);
+    ASSUME(gBattleMoves[MOVE_HURRICANE].accuracy == 70);
+}
+
+SINGLE_BATTLE_TEST("Hurricane's accuracy is lowered to 50% in Sunlight")
+{
+    PASSES_RANDOMLY(50, 100, RNG_ACCURACY);
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SUNNY_DAY); MOVE(opponent, MOVE_HURRICANE); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_HURRICANE, opponent);
+    }
+}
+
+SINGLE_BATTLE_TEST("Hurricane bypasses accuracy checks in Rain")
+{
+    PASSES_RANDOMLY(100, 100, RNG_ACCURACY);
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_RAIN_DANCE); MOVE(player, MOVE_HURRICANE); }
+    } SCENE {
+        NONE_OF { MESSAGE("Wobbuffet's attack missed!"); }
+    }
+}
+TO_DO_BATTLE_TEST("Hurricane Veil can hit airborne targets") // Fly, Bounce, Sky Drop
diff --git a/test/battle/move_effect/leech_seed.c b/test/battle/move_effect/leech_seed.c
new file mode 100644
index 000000000..a2585a3d7
--- /dev/null
+++ b/test/battle/move_effect/leech_seed.c
@@ -0,0 +1,26 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_LEECH_SEED].effect == EFFECT_LEECH_SEED);
+}
+
+SINGLE_BATTLE_TEST("Leech Seed doesn't affect Grass-type Pokémon")
+{
+    PASSES_RANDOMLY(90, 100, RNG_ACCURACY);
+    GIVEN {
+        ASSUME(gSpeciesInfo[SPECIES_ODDISH].types[0] == TYPE_GRASS);
+        PLAYER(SPECIES_WYNAUT);
+        OPPONENT(SPECIES_ODDISH);
+    } WHEN {
+        TURN { MOVE(player, MOVE_LEECH_SEED); }
+    } SCENE {
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_LEECH_SEED, player);
+        MESSAGE("It doesn't affect Foe Oddish…");
+    }
+}
+TO_DO_BATTLE_TEST("Leech Seed doesn't affect already seeded targets")
+TO_DO_BATTLE_TEST("Leech Seeded targets lose 1/8 of its max HP every turn and give it to the user")
+TO_DO_BATTLE_TEST("Leech Seed's effect is paused until a new battler replaces the original user's position") // Faint, can't be replaced, then revived.
+TO_DO_BATTLE_TEST("Leech Seed's effect pause still prevents it from being seeded again")
diff --git a/test/battle/move_effect/moonlight.c b/test/battle/move_effect/moonlight.c
new file mode 100644
index 000000000..ded85c3fc
--- /dev/null
+++ b/test/battle/move_effect/moonlight.c
@@ -0,0 +1,48 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_MOONLIGHT].effect == EFFECT_MOONLIGHT);
+}
+
+SINGLE_BATTLE_TEST("Moonlight recovers 1/2 of the user's max HP")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(200); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_MOONLIGHT); }
+    } SCENE {
+        HP_BAR(player, damage: -(200 / 2));
+    }
+}
+
+SINGLE_BATTLE_TEST("Moonlight recovers 2/3 of the user's max HP in Sunlight")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(300); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUNNY_DAY); MOVE(player, MOVE_MOONLIGHT); }
+    } SCENE {
+        HP_BAR(player, damage: -(300 / 1.5));
+    }
+}
+
+SINGLE_BATTLE_TEST("Moonlight recovers 1/4 of the user's max HP in Rain, Sandstorm, Hail, and Snow")
+{
+    u32 move;
+    PARAMETRIZE { move = MOVE_RAIN_DANCE; }
+    PARAMETRIZE { move = MOVE_SANDSTORM; }
+    PARAMETRIZE { move = MOVE_HAIL; }
+    PARAMETRIZE { move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_MOONLIGHT); }
+    } SCENE {
+        HP_BAR(player, damage: -(400 / 4));
+    }
+}
diff --git a/test/battle/move_effect/morning_sun.c b/test/battle/move_effect/morning_sun.c
new file mode 100644
index 000000000..7157944c6
--- /dev/null
+++ b/test/battle/move_effect/morning_sun.c
@@ -0,0 +1,48 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_MORNING_SUN].effect == EFFECT_MORNING_SUN);
+}
+
+SINGLE_BATTLE_TEST("Morning Sun recovers 1/2 of the user's max HP")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(200); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_MORNING_SUN); }
+    } SCENE {
+        HP_BAR(player, damage: -(200 / 2));
+    }
+}
+
+SINGLE_BATTLE_TEST("Morning Sun recovers 2/3 of the user's max HP in Sunlight")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(300); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUNNY_DAY); MOVE(player, MOVE_MORNING_SUN); }
+    } SCENE {
+        HP_BAR(player, damage: -(300 / 1.5));
+    }
+}
+
+SINGLE_BATTLE_TEST("Morning Sun recovers 1/4 of the user's max HP in Rain, Sandstorm, Hail, and Snow")
+{
+    u32 move;
+    PARAMETRIZE { move = MOVE_RAIN_DANCE; }
+    PARAMETRIZE { move = MOVE_SANDSTORM; }
+    PARAMETRIZE { move = MOVE_HAIL; }
+    PARAMETRIZE { move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_MORNING_SUN); }
+    } SCENE {
+        HP_BAR(player, damage: -(400 / 4));
+    }
+}
diff --git a/test/battle/move_effect/ohko.c b/test/battle/move_effect/ohko.c
new file mode 100644
index 000000000..63e77b07f
--- /dev/null
+++ b/test/battle/move_effect/ohko.c
@@ -0,0 +1,26 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_SHEER_COLD].effect == EFFECT_OHKO);
+}
+
+SINGLE_BATTLE_TEST("Sheer Cold doesn't affect Ice-type Pokémon")
+{
+    GIVEN {
+        ASSUME(B_SHEER_COLD_IMMUNITY >= GEN_7);
+        ASSUME(gSpeciesInfo[SPECIES_GLALIE].types[0] == TYPE_ICE);
+        PLAYER(SPECIES_WYNAUT);
+        OPPONENT(SPECIES_GLALIE);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SHEER_COLD); }
+    } SCENE {
+        NOT ANIMATION(ANIM_TYPE_MOVE, MOVE_SHEER_COLD, player);
+        MESSAGE("It doesn't affect Foe Glalie…");
+    }
+}
+TO_DO_BATTLE_TEST("Fissure faints the target, skipping regular damage calculations")
+TO_DO_BATTLE_TEST("Fissure always fails if the target has a higher level than the user")
+TO_DO_BATTLE_TEST("Fissure's accuracy increases by 1% for every level the user has over the target")
+TO_DO_BATTLE_TEST("Fissure's ignores non-stage accuracy modifiers") // Gravity, Wide Lens, Compound Eyes
diff --git a/test/battle/move_effect/poison_hit.c b/test/battle/move_effect/poison_hit.c
index 91d700466..95a8fbc94 100644
--- a/test/battle/move_effect/poison_hit.c
+++ b/test/battle/move_effect/poison_hit.c
@@ -4,6 +4,7 @@
 ASSUMPTIONS
 {
     ASSUME(gBattleMoves[MOVE_POISON_STING].effect == EFFECT_POISON_HIT);
+    ASSUME(gBattleMoves[MOVE_TWINEEDLE].effect == EFFECT_POISON_HIT);
 }
 
 SINGLE_BATTLE_TEST("Poison Sting inflicts poison")
@@ -22,16 +23,20 @@ SINGLE_BATTLE_TEST("Poison Sting inflicts poison")
     }
 }
 
-SINGLE_BATTLE_TEST("Poison Sting cannot poison Poison-type")
+SINGLE_BATTLE_TEST("Poison cannot be inflicted on Poison and Steel-type Pokémon")
 {
+    u32 mon;
+    PARAMETRIZE { mon = SPECIES_NIDORAN_M; }
+    PARAMETRIZE { mon = SPECIES_REGISTEEL; }
     GIVEN {
         ASSUME(gSpeciesInfo[SPECIES_NIDORAN_M].types[0] == TYPE_POISON);
+        ASSUME(gSpeciesInfo[SPECIES_REGISTEEL].types[0] == TYPE_STEEL);
         PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_NIDORAN_M);
+        OPPONENT(mon);
     } WHEN {
-        TURN { MOVE(player, MOVE_POISON_STING); }
+        TURN { MOVE(player, MOVE_TWINEEDLE); }
     } SCENE {
-        ANIMATION(ANIM_TYPE_MOVE, MOVE_POISON_STING, player);
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_TWINEEDLE, player);
         HP_BAR(opponent);
         NOT ANIMATION(ANIM_TYPE_STATUS, B_ANIM_STATUS_PSN, opponent);
         NOT STATUS_ICON(opponent, poison: TRUE);
diff --git a/test/battle/move_effect/solar_beam.c b/test/battle/move_effect/solar_beam.c
new file mode 100644
index 000000000..6aa8056b7
--- /dev/null
+++ b/test/battle/move_effect/solar_beam.c
@@ -0,0 +1,167 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_SOLAR_BEAM].effect == EFFECT_SOLAR_BEAM);
+    ASSUME(gBattleMoves[MOVE_SOLAR_BLADE].effect == EFFECT_SOLAR_BEAM);
+}
+
+SINGLE_BATTLE_TEST("Solar Beam and Solar Blade can be used instantly in Sunlight")
+{
+    u32 move;
+    PARAMETRIZE { move = MOVE_SOLAR_BEAM; }
+    PARAMETRIZE { move = MOVE_SOLAR_BLADE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUNNY_DAY); MOVE(player, move); }
+    } SCENE {
+        NOT MESSAGE("Wobbuffet took in sunlight!");
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Beam's power is halved in Rain", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_RAIN_DANCE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BEAM); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Blade's power is halved in Rain", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_RAIN_DANCE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WYNAUT);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BLADE); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Beam's power is halved in a Sandstorm", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_SANDSTORM; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BEAM); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Blade's power is halved in a Sandstorm", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_SANDSTORM; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BLADE); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Beam's power is halved in Hail", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_HAIL; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BEAM); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Blade's power is halved in Hail", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_HAIL; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BLADE); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Beam's power is halved in Snow", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BEAM); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Solar Blade's power is halved in Snow", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WYNAUT);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BLADE); }
+        TURN { SKIP_TURN(player); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
+    }
+}
diff --git a/test/battle/move_effect/synthesis.c b/test/battle/move_effect/synthesis.c
new file mode 100644
index 000000000..7b0c260fa
--- /dev/null
+++ b/test/battle/move_effect/synthesis.c
@@ -0,0 +1,48 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_SYNTHESIS].effect == EFFECT_SYNTHESIS);
+}
+
+SINGLE_BATTLE_TEST("Synthesis recovers 1/2 of the user's max HP")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(200); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SYNTHESIS); }
+    } SCENE {
+        HP_BAR(player, damage: -(200 / 2));
+    }
+}
+
+SINGLE_BATTLE_TEST("Synthesis recovers 2/3 of the user's max HP in Sunlight")
+{
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(300); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUNNY_DAY); MOVE(player, MOVE_SYNTHESIS); }
+    } SCENE {
+        HP_BAR(player, damage: -(300 / 1.5));
+    }
+}
+
+SINGLE_BATTLE_TEST("Synthesis recovers 1/4 of the user's max HP in Rain, Sandstorm, Hail, and Snow")
+{
+    u32 move;
+    PARAMETRIZE { move = MOVE_RAIN_DANCE; }
+    PARAMETRIZE { move = MOVE_SANDSTORM; }
+    PARAMETRIZE { move = MOVE_HAIL; }
+    PARAMETRIZE { move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, move); MOVE(player, MOVE_SYNTHESIS); }
+    } SCENE {
+        HP_BAR(player, damage: -(400 / 4));
+    }
+}
diff --git a/test/battle/move_effect/thunder.c b/test/battle/move_effect/thunder.c
new file mode 100644
index 000000000..d6e5101f3
--- /dev/null
+++ b/test/battle/move_effect/thunder.c
@@ -0,0 +1,34 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_THUNDER].effect == EFFECT_THUNDER);
+    ASSUME(gBattleMoves[MOVE_THUNDER].accuracy == 70);
+}
+
+SINGLE_BATTLE_TEST("Thunder's accuracy is lowered to 50% in Sunlight")
+{
+    PASSES_RANDOMLY(50, 100, RNG_ACCURACY);
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SUNNY_DAY); MOVE(opponent, MOVE_THUNDER); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_THUNDER, opponent);
+    }
+}
+
+SINGLE_BATTLE_TEST("Thunder bypasses accuracy checks in Rain")
+{
+    PASSES_RANDOMLY(100, 100, RNG_ACCURACY);
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_RAIN_DANCE); MOVE(player, MOVE_THUNDER); }
+    } SCENE {
+        NONE_OF { MESSAGE("Wobbuffet's attack missed!"); }
+    }
+}
diff --git a/test/battle/move_effect/toxic_spikes.c b/test/battle/move_effect/toxic_spikes.c
index 43de89ede..3bac9d8ba 100644
--- a/test/battle/move_effect/toxic_spikes.c
+++ b/test/battle/move_effect/toxic_spikes.c
@@ -151,7 +151,7 @@ SINGLE_BATTLE_TEST("Toxic Spikes do not affect Steel-types")
     }
 }
 
-SINGLE_BATTLE_TEST("Toxic Spikes are removed by grounded Poison-types")
+SINGLE_BATTLE_TEST("Toxic Spikes are removed by grounded Poison-type Pokémon on switch in")
 {
     u32 species;
     u32 item = ITEM_NONE;
@@ -190,7 +190,7 @@ SINGLE_BATTLE_TEST("Toxic Spikes are removed by grounded Poison-types")
 // A Pokémon that gets passed magnet rise should still remove the Toxic
 // Spikes even though it is airborne.
 // The test currently fails, because we don't incorporate this bug.
-SINGLE_BATTLE_TEST("Toxic Spikes are removed by Poison-types affected by Magnet Rise")
+SINGLE_BATTLE_TEST("Toxic Spikes are removed by Poison-type Pokémon affected by Magnet Rise on switch in")
 {
     KNOWN_FAILING;
     GIVEN {
diff --git a/test/battle/move_effect/weather_ball.c b/test/battle/move_effect/weather_ball.c
new file mode 100644
index 000000000..629b32f97
--- /dev/null
+++ b/test/battle/move_effect/weather_ball.c
@@ -0,0 +1,80 @@
+#include "global.h"
+#include "test/battle.h"
+
+ASSUMPTIONS
+{
+    ASSUME(gBattleMoves[MOVE_WEATHER_BALL].effect == EFFECT_WEATHER_BALL);
+}
+
+SINGLE_BATTLE_TEST("Weather Ball doubles its power and turns to a Fire-type move in Sunlight", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_SUNNY_DAY; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_MEGANIUM);
+    } WHEN {
+        TURN { MOVE(player, move); }
+        TURN { MOVE(player, MOVE_WEATHER_BALL); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(6.0), results[1].damage); // double base power + type effectiveness + sun 50% boost
+    }
+}
+
+SINGLE_BATTLE_TEST("Weather Ball doubles its power and turns to a Water-type move in Rain", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_RAIN_DANCE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_ARCANINE);
+    } WHEN {
+        TURN { MOVE(player, move); }
+        TURN { MOVE(player, MOVE_WEATHER_BALL); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(6.0), results[1].damage); // double base power + type effectiveness + rain 50% boost
+    }
+}
+
+SINGLE_BATTLE_TEST("Weather Ball doubles its power and turns to a Rock-type move in a Sandstorm", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_SANDSTORM; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_MAGMAR) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(player, move); }
+        TURN { MOVE(player, MOVE_WEATHER_BALL); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(4.0), results[1].damage); // double base power + type effectiveness.
+    }
+}
+
+SINGLE_BATTLE_TEST("Weather Ball doubles its power and turns to an Ice-type move in Hail and Snow", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    PARAMETRIZE{ move = MOVE_HAIL; }
+    PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_DRAGONAIR) { Item(ITEM_SAFETY_GOGGLES); };
+    } WHEN {
+        TURN { MOVE(player, move); }
+        TURN { MOVE(player, MOVE_WEATHER_BALL); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(4.0), results[1].damage); // double base power + type effectiveness.
+    }
+}
diff --git a/test/battle/type/grass.c b/test/battle/move_flags/powder.c
similarity index 86%
rename from test/battle/type/grass.c
rename to test/battle/move_flags/powder.c
index 6bb016c58..184402f6b 100644
--- a/test/battle/type/grass.c
+++ b/test/battle/move_flags/powder.c
@@ -1,7 +1,7 @@
 #include "global.h"
 #include "test/battle.h"
 
-SINGLE_BATTLE_TEST("Grass-type Pokémon block powder and spore moves")
+SINGLE_BATTLE_TEST("Powder moves are blocked by Grass-type Pokémon")
 {
     GIVEN {
         ASSUME(gBattleMoves[MOVE_STUN_SPORE].powderMove);
diff --git a/test/battle/weather/hail.c b/test/battle/weather/hail.c
new file mode 100644
index 000000000..8908e17a7
--- /dev/null
+++ b/test/battle/weather/hail.c
@@ -0,0 +1,31 @@
+#include "global.h"
+#include "test/battle.h"
+
+// Please add Hail interactions with move, item and ability effects on their respective files.
+SINGLE_BATTLE_TEST("Hail deals 1/16 damage per turn")
+{
+    s16 hailDamage;
+
+    GIVEN {
+        PLAYER(SPECIES_GLALIE);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN {MOVE(player, MOVE_HAIL);}
+    } SCENE {
+        MESSAGE("Foe Wobbuffet is pelted by HAIL!");
+        HP_BAR(opponent, captureDamage: &hailDamage);
+   } THEN { EXPECT_EQ(hailDamage, opponent->maxHP / 16); }
+}
+
+SINGLE_BATTLE_TEST("Hail damage does not affect Ice-type Pokémon")
+{
+    GIVEN {
+        ASSUME(gSpeciesInfo[SPECIES_GLALIE].types[0] == TYPE_ICE);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_GLALIE);
+    } WHEN {
+        TURN {MOVE(player, MOVE_HAIL);}
+    } SCENE {
+        NOT MESSAGE("Foe Glalie is pelted by HAIL!");
+    }
+}
diff --git a/test/battle/weather/sandstorm.c b/test/battle/weather/sandstorm.c
new file mode 100644
index 000000000..3d4fbb631
--- /dev/null
+++ b/test/battle/weather/sandstorm.c
@@ -0,0 +1,66 @@
+#include "global.h"
+#include "test/battle.h"
+
+// Please add Sandstorm interactions with move, item and ability effects on their respective files.
+SINGLE_BATTLE_TEST("Sandstorm deals 1/16 damage per turn")
+{
+    s16 sandstormDamage;
+
+    GIVEN {
+        PLAYER(SPECIES_SANDSLASH);
+        OPPONENT(SPECIES_WOBBUFFET);
+    } WHEN {
+        TURN {MOVE(player, MOVE_SANDSTORM);}
+    } SCENE {
+        MESSAGE("Foe Wobbuffet is buffeted by the sandstorm!");
+        HP_BAR(opponent, captureDamage: &sandstormDamage);
+   } THEN { EXPECT_EQ(sandstormDamage, opponent->maxHP / 16); }
+}
+
+SINGLE_BATTLE_TEST("Sandstorm multiplies the special defense of Rock-types by 1.5x", s16 damage)
+{
+    u16 move;
+    PARAMETRIZE{ move = MOVE_SANDSTORM; }
+    PARAMETRIZE{ move = MOVE_CELEBRATE; }
+    GIVEN {
+        PLAYER(SPECIES_WOBBUFFET) ;
+        OPPONENT(SPECIES_NOSEPASS);
+    } WHEN {
+        TURN { MOVE(opponent, move); }
+        TURN { MOVE(player, MOVE_SWIFT); }
+    } SCENE {
+        HP_BAR(opponent, captureDamage: &results[i].damage);
+    } FINALLY {
+        EXPECT_MUL_EQ(results[0].damage, Q_4_12(1.5), results[1].damage);
+    }
+}
+
+SINGLE_BATTLE_TEST("Sandstorm damage does not hurt Ground, Rock, and Steel-type Pokémon")
+{
+    u32 mon;
+    PARAMETRIZE { mon = SPECIES_SANDSLASH; }
+    PARAMETRIZE { mon = SPECIES_NOSEPASS; }
+    PARAMETRIZE { mon = SPECIES_REGISTEEL; }
+    GIVEN {
+        ASSUME(gSpeciesInfo[SPECIES_SANDSLASH].types[0] == TYPE_GROUND);
+        ASSUME(gSpeciesInfo[SPECIES_NOSEPASS].types[0] == TYPE_ROCK);
+        ASSUME(gSpeciesInfo[SPECIES_REGISTEEL].types[0] == TYPE_STEEL);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(mon);
+    } WHEN {
+        TURN { MOVE(player, MOVE_SANDSTORM); }
+    } SCENE {
+        switch (mon)
+        {
+        case SPECIES_SANDSLASH:
+            NOT MESSAGE("Foe Sandslash is buffeted by the sandstorm!");
+            break;
+        case SPECIES_NOSEPASS:
+            NOT MESSAGE("Foe Nosepass is buffeted by the sandstorm!");
+            break;
+        case SPECIES_REGISTEEL:
+            NOT MESSAGE("Foe Registeel is buffeted by the sandstorm!");
+            break;
+        }
+    }
+}
diff --git a/test/battle/weather/snow.c b/test/battle/weather/snow.c
index 21b7a5565..dff18e7b7 100644
--- a/test/battle/weather/snow.c
+++ b/test/battle/weather/snow.c
@@ -1,6 +1,7 @@
 #include "global.h"
 #include "test/battle.h"
 
+// Please add Snow interactions with move, item and ability effects on their respective files.
 ASSUMPTIONS
 {
     ASSUME(gBattleMoves[MOVE_SNOWSCAPE].effect == EFFECT_SNOWSCAPE);
@@ -8,7 +9,7 @@ ASSUMPTIONS
     ASSUME(gSpeciesInfo[SPECIES_GLALIE].types[0] == TYPE_ICE || gSpeciesInfo[SPECIES_GLALIE].types[1] == TYPE_ICE);
 }
 
-SINGLE_BATTLE_TEST("Snow increases the defense of Ice types by 50 %", s16 damage)
+SINGLE_BATTLE_TEST("Snow multiplies the defense of Ice-types by 1.5x", s16 damage)
 {
     u16 move;
     PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
@@ -25,126 +26,3 @@ SINGLE_BATTLE_TEST("Snow increases the defense of Ice types by 50 %", s16 damage
         EXPECT_MUL_EQ(results[0].damage, Q_4_12(1.5), results[1].damage);
     }
 }
-
-SINGLE_BATTLE_TEST("Snow turns Weather Ball to an Ice-type move and doubles its power", s16 damage)
-{
-    u16 move;
-    PARAMETRIZE{ move = MOVE_CELEBRATE; }
-    PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_WEATHER_BALL].effect == EFFECT_WEATHER_BALL);
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_DRAGONAIR);
-    } WHEN {
-        TURN { MOVE(player, move); }
-        TURN { MOVE(player, MOVE_WEATHER_BALL); }
-    } SCENE {
-        HP_BAR(opponent, captureDamage: &results[i].damage);
-    } FINALLY {
-        EXPECT_MUL_EQ(results[0].damage, Q_4_12(4.0), results[1].damage); // double base power + type effectiveness.
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow allows Blizzard to bypass accuracy checks")
-{
-    PASSES_RANDOMLY(100, 100, RNG_ACCURACY);
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_BLIZZARD].accuracy == 70);
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_SNOWSCAPE); MOVE(player, MOVE_BLIZZARD); }
-    } SCENE {
-        NONE_OF { MESSAGE("Wobbuffet's attack missed!"); }
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow halves the power of Solar Beam", s16 damage)
-{
-    u16 move;
-    PARAMETRIZE{ move = MOVE_CELEBRATE; }
-    PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_SOLAR_BEAM].effect == EFFECT_SOLAR_BEAM);
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BEAM); }
-        TURN { SKIP_TURN(player); }
-    } SCENE {
-        HP_BAR(opponent, captureDamage: &results[i].damage);
-    } FINALLY {
-        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow halves the power of Solar Blade", s16 damage)
-{
-    u16 move;
-    PARAMETRIZE{ move = MOVE_CELEBRATE; }
-    PARAMETRIZE{ move = MOVE_SNOWSCAPE; }
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_SOLAR_BLADE].effect == EFFECT_SOLAR_BEAM);
-        PLAYER(SPECIES_WOBBUFFET);
-        OPPONENT(SPECIES_WYNAUT);
-    } WHEN {
-        TURN { MOVE(opponent, move); MOVE(player, MOVE_SOLAR_BLADE); }
-        TURN { SKIP_TURN(player); }
-    } SCENE {
-        HP_BAR(opponent, captureDamage: &results[i].damage);
-    } FINALLY {
-        EXPECT_MUL_EQ(results[0].damage, Q_4_12(0.5), results[1].damage);
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow causes Moonlight to recover 1/4 of the user's max HP")
-{
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_MOONLIGHT].effect == EFFECT_MOONLIGHT);
-        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_SNOWSCAPE); MOVE(player, MOVE_MOONLIGHT); }
-    } SCENE {
-        HP_BAR(player, damage: -(400 / 4));
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow causes Moonlight to recover 1/4 of the user's max HP")
-{
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_MOONLIGHT].effect == EFFECT_MOONLIGHT);
-        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_SNOWSCAPE); MOVE(player, MOVE_MOONLIGHT); }
-    } SCENE {
-        HP_BAR(player, damage: -(400 / 4));
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow causes Synthesis to recover 1/4 of the user's max HP")
-{
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_SYNTHESIS].effect == EFFECT_SYNTHESIS);
-        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_SNOWSCAPE); MOVE(player, MOVE_SYNTHESIS); }
-    } SCENE {
-        HP_BAR(player, damage: -(400 / 4));
-    }
-}
-
-SINGLE_BATTLE_TEST("Snow causes Morning Sun to recover 1/4 of the user's max HP")
-{
-    GIVEN {
-        ASSUME(gBattleMoves[MOVE_MORNING_SUN].effect == EFFECT_MORNING_SUN);
-        PLAYER(SPECIES_WOBBUFFET) { HP(1); MaxHP(400); }
-        OPPONENT(SPECIES_WOBBUFFET);
-    } WHEN {
-        TURN { MOVE(opponent, MOVE_SNOWSCAPE); MOVE(player, MOVE_MORNING_SUN); }
-    } SCENE {
-        HP_BAR(player, damage: -(400 / 4));
-    }
-}