diff --git a/test/battle/ability/hyper_cutter.c b/test/battle/ability/hyper_cutter.c
index cde108e4c3..10be6fa725 100644
--- a/test/battle/ability/hyper_cutter.c
+++ b/test/battle/ability/hyper_cutter.c
@@ -7,9 +7,9 @@ SINGLE_BATTLE_TEST("Hyper Cutter prevents intimidate")
     s16 turnTwoHit;
 
     GIVEN {
-        PLAYER(SPECIES_EKANS) { Ability(ABILITY_SHED_SKIN); };
-        PLAYER(SPECIES_EKANS) { Ability(ABILITY_INTIMIDATE); };
-        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); };
+        PLAYER(SPECIES_EKANS) { Ability(ABILITY_SHED_SKIN); }
+        PLAYER(SPECIES_EKANS) { Ability(ABILITY_INTIMIDATE); }
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
     } WHEN {
         TURN { MOVE(opponent, MOVE_TACKLE); }
         TURN { SWITCH(player, 1); MOVE(opponent, MOVE_TACKLE); }
@@ -26,10 +26,108 @@ SINGLE_BATTLE_TEST("Hyper Cutter prevents intimidate")
     }
 }
 
-TO_DO_BATTLE_TEST("Hyper Cutter prevents Attack stage reduction from moves"); // Growl
-TO_DO_BATTLE_TEST("Hyper Cutter doesn't prevent Attack stage reduction from moves used by the user"); // e.g. Superpower
-TO_DO_BATTLE_TEST("Hyper Cutter doesn't prevent Attack reduction from burn");
+SINGLE_BATTLE_TEST("Hyper Cutter prevents Attack stage reduction from moves")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_GROWL].effect == EFFECT_ATTACK_DOWN);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_GROWL); }
+    } SCENE {
+        ABILITY_POPUP(opponent, ABILITY_HYPER_CUTTER);
+        MESSAGE("Foe Krabby's Hyper Cutter prevents Attack loss!");
+    }
+}
+
+SINGLE_BATTLE_TEST("Hyper Cutter doesn't prevent Attack reduction from burn")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_WILL_O_WISP].effect == EFFECT_WILL_O_WISP);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_WILL_O_WISP); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_WILL_O_WISP, player);
+        MESSAGE("Foe Krabby was burned!");
+    } THEN {
+        EXPECT_EQ(opponent->statStages[STAT_ATK], DEFAULT_STAT_STAGE);
+    }
+}
+
+SINGLE_BATTLE_TEST("Hyper Cutter is ignored by Mold Breaker")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_GROWL].effect == EFFECT_ATTACK_DOWN);
+        PLAYER(SPECIES_PINSIR) { Ability(ABILITY_MOLD_BREAKER); }
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
+    } WHEN {
+        TURN { MOVE(player, MOVE_GROWL); }
+    } SCENE {
+        ABILITY_POPUP(player, ABILITY_MOLD_BREAKER);
+        MESSAGE("Pinsir breaks the mold!");
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_GROWL, player);
+        MESSAGE("Foe Krabby's Attack fell!");
+        NOT ABILITY_POPUP(opponent, ABILITY_HYPER_CUTTER);
+        NOT MESSAGE("Foe Krabby's Hyper Cutter prevents Attack loss!");
+    }
+}
+
+SINGLE_BATTLE_TEST("Hyper Cutter doesn't prevent Attack stage reduction from moves used by the user")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_SUPERPOWER].effect == EFFECT_SUPERPOWER);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SUPERPOWER); }
+        TURN {}
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SUPERPOWER, opponent);
+        MESSAGE("Foe Krabby's Attack fell!");
+        MESSAGE("Foe Krabby's Defense fell!");
+    } THEN {
+        EXPECT_EQ(opponent->statStages[STAT_ATK], DEFAULT_STAT_STAGE - 1);
+    }
+}
+
+SINGLE_BATTLE_TEST("Hyper Cutter doesn't prevent Topsy-Turvy")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_SWORDS_DANCE].effect == EFFECT_ATTACK_UP_2);
+        ASSUME(gBattleMoves[MOVE_TOPSY_TURVY].effect == EFFECT_TOPSY_TURVY);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SWORDS_DANCE); MOVE(player, MOVE_TOPSY_TURVY); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SWORDS_DANCE, opponent);
+        MESSAGE("Foe Krabby's Attack sharply rose!");
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_TOPSY_TURVY, player);
+        MESSAGE("Foe Krabby's stat changes were all reversed!");
+    } THEN {
+        EXPECT_EQ(opponent->statStages[STAT_ATK], DEFAULT_STAT_STAGE - 2);
+    }
+}
+
+SINGLE_BATTLE_TEST("xx Hyper Cutter doesn't prevent Spectral Thief from resetting positive Attack stage changes")
+{
+    GIVEN {
+        ASSUME(gBattleMoves[MOVE_SWORDS_DANCE].effect == EFFECT_ATTACK_UP_2);
+        ASSUME(gBattleMoves[MOVE_SPECTRAL_THIEF].effect == EFFECT_SPECTRAL_THIEF);
+        PLAYER(SPECIES_WOBBUFFET);
+        OPPONENT(SPECIES_KRABBY) { Ability(ABILITY_HYPER_CUTTER); }
+    } WHEN {
+        TURN { MOVE(opponent, MOVE_SWORDS_DANCE); MOVE(player, MOVE_SPECTRAL_THIEF); }
+    } SCENE {
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SWORDS_DANCE, opponent);
+        MESSAGE("Foe Krabby's Attack sharply rose!");
+        ANIMATION(ANIM_TYPE_MOVE, MOVE_SPECTRAL_THIEF, player);
+        MESSAGE("Wobbuffet stole the target's boosted stats!");
+    } THEN {
+        EXPECT_EQ(opponent->statStages[STAT_ATK], DEFAULT_STAT_STAGE);
+    }
+}
+
 TO_DO_BATTLE_TEST("Hyper Cutter doesn't prevent receiving negative Attack stage changes from Baton Pass");
-TO_DO_BATTLE_TEST("Hyper Cutter doesn't prevent Topsy-Turvy");
-TO_DO_BATTLE_TEST("Hyper Cutter doesn't prevent Spectral Thief from resetting positive Attack stage changes");
-TO_DO_BATTLE_TEST("Hyper Cutter is ignored by Mold Breaker");