diff --git a/include/battle.h b/include/battle.h
index 3c2b6ed197..f3b788037e 100644
--- a/include/battle.h
+++ b/include/battle.h
@@ -669,6 +669,7 @@ struct BattleStruct
     u8 trainerSlidePlayerMonUnaffectedMsgState:2;
     bool8 trainerSlideMegaEvolutionMsgDone:1;
     bool8 trainerSlideZMoveMsgDone:1;
+    bool8 trainerSlideBeforeFirstTurnMsgDone:1;
 };
 
 #define F_DYNAMIC_TYPE_1 (1 << 6)
diff --git a/include/battle_message.h b/include/battle_message.h
index de60d6d026..93bb63022b 100644
--- a/include/battle_message.h
+++ b/include/battle_message.h
@@ -236,6 +236,7 @@ enum
     TRAINER_SLIDE_PLAYER_MON_UNAFFECTED,
     TRAINER_SLIDE_MEGA_EVOLUTION,
     TRAINER_SLIDE_Z_MOVE,
+    TRAINER_SLIDE_BEFORE_FIRST_TURN,
 };
 
 void BufferStringBattle(u16 stringID);
diff --git a/src/battle_main.c b/src/battle_main.c
index d144590d59..a93bef7ac6 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -3776,6 +3776,9 @@ static void TryDoEventsBeforeFirstTurn(void)
         StopCryAndClearCrySongs();
         BattleScriptExecute(BattleScript_ArenaTurnBeginning);
     }
+
+    if ((i = ShouldDoTrainerSlide(GetBattlerAtPosition(B_POSITION_OPPONENT_LEFT), TRAINER_SLIDE_BEFORE_FIRST_TURN)))
+        BattleScriptExecute(i == 1 ? BattleScript_TrainerASlideMsgEnd2 : BattleScript_TrainerBSlideMsgEnd2);
 }
 
 static void HandleEndTurn_ContinueBattle(void)
diff --git a/src/battle_message.c b/src/battle_message.c
index f321da46c0..ed430e9f8c 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -3881,6 +3881,7 @@ struct TrainerSlide
     const u8 *msgPlayerMonUnaffected;
     const u8 *msgMegaEvolution;
     const u8 *msgZMove;
+    const u8 *msgBeforeFirstTurn;
 };
 
 static const struct TrainerSlide sTrainerSlides[] =
@@ -3899,6 +3900,7 @@ static const struct TrainerSlide sTrainerSlides[] =
         .msgPlayerMonUnaffected = sText_ButNoEffect,
         .msgMegaEvolution = sText_PowderExplodes,
         .msgZMove = sText_Electromagnetism,
+        .msgBeforeFirstTurn = sText_GravityIntensified,
     },
     */
 };
@@ -4044,6 +4046,14 @@ u32 ShouldDoTrainerSlide(u32 battlerId, u32 which)
                     return TRUE;
                 }
                 break;
+            case TRAINER_SLIDE_BEFORE_FIRST_TURN:
+                if (sTrainerSlides[i].msgBeforeFirstTurn != NULL && !gBattleStruct->trainerSlideBeforeFirstTurnMsgDone)
+                {
+                    gBattleStruct->trainerSlideBeforeFirstTurnMsgDone = TRUE;
+                    gBattleStruct->trainerSlideMsg = sTrainerSlides[i].msgBeforeFirstTurn;
+                    return TRUE;
+                }
+                break;
             }
             break;
         }