diff --git a/data/battle_scripts_1.s b/data/battle_scripts_1.s
index 833d01348..113318f1f 100644
--- a/data/battle_scripts_1.s
+++ b/data/battle_scripts_1.s
@@ -7900,6 +7900,16 @@ BattleScript_AftermathDmg::
 	waitmessage B_WAIT_TIME_LONG
 	tryfaintmon BS_ATTACKER
 	return
+	
+BattleScript_DampPreventsAftermath::
+	pause B_WAIT_TIME_SHORT
+	call BattleScript_AbilityPopUp
+	pause 40
+	copybyte gBattlerAbility, sBATTLER
+	call BattleScript_AbilityPopUp
+	printstring STRINGID_PKMNSABILITYPREVENTSABILITY
+	waitmessage B_WAIT_TIME_LONG
+	return
 
 BattleScript_MoveUsedIsAsleep::
 	printstring STRINGID_PKMNFASTASLEEP
diff --git a/include/battle_scripts.h b/include/battle_scripts.h
index 8acf6e8ef..18c1911e5 100644
--- a/include/battle_scripts.h
+++ b/include/battle_scripts.h
@@ -451,6 +451,7 @@ extern const u8 BattleScript_EarthEaterActivates[];
 extern const u8 BattleScript_MimicryActivates_End3[];
 extern const u8 BattleScript_IceFaceNullsDamage[];
 extern const u8 BattleScript_BattlerFormChangeWithStringEnd3[];
+extern const u8 BattleScript_DampPreventsAftermath[];
 
 // zmoves
 extern const u8 BattleScript_ZMoveActivateDamaging[];
diff --git a/include/constants/battle_string_ids.h b/include/constants/battle_string_ids.h
index f63aa79bc..636bcb94b 100644
--- a/include/constants/battle_string_ids.h
+++ b/include/constants/battle_string_ids.h
@@ -638,8 +638,9 @@
 #define STRINGID_ELECTRICTERRAINACTIVATEDABILITY      636
 #define STRINGID_ABILITYWEAKENEDFSURROUNDINGMONSSTAT  637
 #define STRINGID_ATTACKERGAINEDSTRENGTHFROMTHEFALLEN  638
+#define STRINGID_PKMNSABILITYPREVENTSABILITY          639
 
-#define BATTLESTRINGS_COUNT                           639
+#define BATTLESTRINGS_COUNT                           640
 
 // This is the string id that gBattleStringsTable starts with.
 // String ids before this (e.g. STRINGID_INTROMSG) are not in the table,
diff --git a/src/battle_message.c b/src/battle_message.c
index 34542e58d..7ec079e72 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -306,6 +306,7 @@ static const u8 sText_PreventedFromWorking[] = _("{B_DEF_NAME_WITH_PREFIX}'s {B_
 static const u8 sText_PkmnsXMadeItIneffective[] = _("{B_SCR_ACTIVE_NAME_WITH_PREFIX}'s {B_SCR_ACTIVE_ABILITY}\nmade it ineffective!");
 static const u8 sText_PkmnsXPreventsFlinching[] = _("{B_EFF_NAME_WITH_PREFIX}'s {B_EFF_ABILITY}\nprevents flinching!");
 static const u8 sText_PkmnsXPreventsYsZ[] = _("{B_ATK_NAME_WITH_PREFIX}'s {B_ATK_ABILITY}\nprevents {B_DEF_NAME_WITH_PREFIX}'s\l{B_DEF_ABILITY} from working!");
+static const u8 sText_PkmnsAbilityPreventsAbility[] = _("{B_SCR_ACTIVE_NAME_WITH_PREFIX}'s {B_SCR_ACTIVE_ABILITY}\nprevents {B_DEF_NAME_WITH_PREFIX}'s\l{B_DEF_ABILITY} from working!");
 static const u8 sText_PkmnsXCuredItsYProblem[] = _("{B_SCR_ACTIVE_NAME_WITH_PREFIX}'s {B_SCR_ACTIVE_ABILITY}\ncured its {B_BUFF1} problem!");
 static const u8 sText_PkmnsXHadNoEffectOnY[] = _("{B_SCR_ACTIVE_NAME_WITH_PREFIX}'s {B_SCR_ACTIVE_ABILITY}\nhad no effect on {B_EFF_NAME_WITH_PREFIX}!");
 const u8 gText_StatSharply[] = _("sharply ");
@@ -1402,6 +1403,7 @@ const u8 *const gBattleStringsTable[BATTLESTRINGS_COUNT] =
     [STRINGID_PKMNTOOKTARGETHIGH - BATTLESTRINGS_TABLE_START] = sText_PkmnTookTargetHigh,
     [STRINGID_TARGETTOOHEAVY - BATTLESTRINGS_TABLE_START] = sText_TargetTooHeavy,
     [STRINGID_ATTACKERLOSTELECTRICTYPE - BATTLESTRINGS_TABLE_START] = sText_AttackerLostElectricType,
+    [STRINGID_PKMNSABILITYPREVENTSABILITY - BATTLESTRINGS_TABLE_START] = sText_PkmnsAbilityPreventsAbility,
 };
 
 const u16 gZEffectStringIds[] =
@@ -1592,7 +1594,6 @@ const u16 gUproarAwakeStringIds[] =
 {
     [B_MSG_CANT_SLEEP_UPROAR]  = STRINGID_PKMNCANTSLEEPINUPROAR2,
     [B_MSG_UPROAR_KEPT_AWAKE]  = STRINGID_UPROARKEPTPKMNAWAKE,
-    [B_MSG_STAYED_AWAKE_USING] = STRINGID_PKMNSTAYEDAWAKEUSING,
 };
 
 const u16 gStatUpStringIds[] =
diff --git a/src/battle_util.c b/src/battle_util.c
index 2bbd2f530..c51585185 100644
--- a/src/battle_util.c
+++ b/src/battle_util.c
@@ -5566,17 +5566,26 @@ u8 AbilityBattleEffects(u8 caseID, u8 battler, u16 ability, u8 special, u16 move
             }
             break;
         case ABILITY_AFTERMATH:
-            if (!IsAbilityOnField(ABILITY_DAMP)
-             && !(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
+            if (!(gMoveResultFlags & MOVE_RESULT_NO_EFFECT)
              && gBattleMons[gBattlerTarget].hp == 0
              && IsBattlerAlive(gBattlerAttacker)
              && IsMoveMakingContact(move, gBattlerAttacker))
             {
-                gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 4;
-                if (gBattleMoveDamage == 0)
-                    gBattleMoveDamage = 1;
-                BattleScriptPushCursor();
-                gBattlescriptCurrInstr = BattleScript_AftermathDmg;
+                u8 battler;
+                if ((battler = IsAbilityOnField(ABILITY_DAMP)))
+                {
+                    gBattleScripting.battler = battler - 1;
+                    BattleScriptPushCursor();
+                    gBattlescriptCurrInstr = BattleScript_DampPreventsAftermath;
+                }
+                else
+                {
+                    gBattleMoveDamage = gBattleMons[gBattlerAttacker].maxHP / 4;
+                    if (gBattleMoveDamage == 0)
+                        gBattleMoveDamage = 1;
+                    BattleScriptPushCursor();
+                    gBattlescriptCurrInstr = BattleScript_AftermathDmg;
+                }
                 effect++;
             }
             break;