diff --git a/src/data/move.ts b/src/data/move.ts
index 48f90297115..967d2ee0cc2 100644
--- a/src/data/move.ts
+++ b/src/data/move.ts
@@ -4559,7 +4559,8 @@ export class TeraMoveCategoryAttr extends VariableMoveCategoryAttr {
   apply(user: Pokemon, target: Pokemon, move: Move, args: any[]): boolean {
     const category = (args[0] as Utils.NumberHolder);
 
-    if (user.isTerastallized() && user.getEffectiveStat(Stat.ATK, target, move) > user.getEffectiveStat(Stat.SPATK, target, move)) {
+    if (user.isTerastallized() && user.getEffectiveStat(Stat.ATK, target, move, true, true, false, false, true) >
+    user.getEffectiveStat(Stat.SPATK, target, move, true, true, false, false, true)) {
       category.value = MoveCategory.PHYSICAL;
       return true;
     }
@@ -10905,8 +10906,7 @@ export function initMoves() {
       .attr(TeraMoveCategoryAttr)
       .attr(TeraBlastTypeAttr)
       .attr(TeraBlastPowerAttr)
-      .attr(StatStageChangeAttr, [ Stat.ATK, Stat.SPATK ], -1, true, { condition: (user, target, move) => user.isTerastallized() && user.isOfType(Type.STELLAR) })
-      .partial(), /** Does not ignore abilities that affect stats, relevant in determining the move's category {@see TeraMoveCategoryAttr} */
+      .attr(StatStageChangeAttr, [ Stat.ATK, Stat.SPATK ], -1, true, { condition: (user, target, move) => user.isTerastallized() && user.isOfType(Type.STELLAR) }),
     new SelfStatusMove(Moves.SILK_TRAP, Type.BUG, -1, 10, -1, 4, 9)
       .attr(ProtectAttr, BattlerTagType.SILK_TRAP)
       .condition(failIfLastCondition),
diff --git a/src/test/moves/tera_blast.test.ts b/src/test/moves/tera_blast.test.ts
index 44dc29f68b5..21cbf4c1463 100644
--- a/src/test/moves/tera_blast.test.ts
+++ b/src/test/moves/tera_blast.test.ts
@@ -1,6 +1,6 @@
 import { BattlerIndex } from "#app/battle";
 import { Stat } from "#enums/stat";
-import { allMoves } from "#app/data/move";
+import { allMoves, TeraMoveCategoryAttr } from "#app/data/move";
 import { Type } from "#enums/type";
 import { Abilities } from "#app/enums/abilities";
 import { HitResult } from "#app/field/pokemon";
@@ -14,6 +14,7 @@ describe("Moves - Tera Blast", () => {
   let phaserGame: Phaser.Game;
   let game: GameManager;
   const moveToCheck = allMoves[Moves.TERA_BLAST];
+  const teraBlastAttr = moveToCheck.getAttrs(TeraMoveCategoryAttr)[0];
 
   beforeAll(() => {
     phaserGame = new Phaser.Game({
@@ -86,19 +87,86 @@ describe("Moves - Tera Blast", () => {
     expect(enemyPokemon.apply).toHaveReturnedWith(HitResult.SUPER_EFFECTIVE);
   });
 
-  // Currently abilities are bugged and can't see when a move's category is changed
-  it.todo("uses the higher stat of the user's Atk and SpAtk for damage calculation", async () => {
-    game.override.enemyAbility(Abilities.TOXIC_DEBRIS);
+  it("uses the higher ATK for damage calculation", async () => {
     await game.startBattle();
 
     const playerPokemon = game.scene.getPlayerPokemon()!;
     playerPokemon.stats[Stat.ATK] = 100;
     playerPokemon.stats[Stat.SPATK] = 1;
 
+    vi.spyOn(teraBlastAttr, "apply");
+
     game.move.select(Moves.TERA_BLAST);
-    await game.phaseInterceptor.to("TurnEndPhase");
-    expect(game.scene.getEnemyPokemon()!.battleData.abilityRevealed).toBe(true);
-  }, 20000);
+    await game.toNextTurn();
+    expect(teraBlastAttr.apply).toHaveLastReturnedWith(true);
+  });
+
+  it("uses the higher SPATK for damage calculation", async () => {
+    await game.startBattle();
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+    playerPokemon.stats[Stat.ATK] = 1;
+    playerPokemon.stats[Stat.SPATK] = 100;
+
+    vi.spyOn(teraBlastAttr, "apply");
+
+    game.move.select(Moves.TERA_BLAST);
+    await game.toNextTurn();
+    expect(teraBlastAttr.apply).toHaveLastReturnedWith(false);
+  });
+
+  it("should stay as a special move if ATK turns lower than SPATK mid-turn", async () => {
+    game.override.enemyMoveset([ Moves.CHARM ]);
+    await game.startBattle();
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+    playerPokemon.stats[Stat.ATK] = 51;
+    playerPokemon.stats[Stat.SPATK] = 50;
+
+    vi.spyOn(teraBlastAttr, "apply");
+
+    game.move.select(Moves.TERA_BLAST);
+    await game.setTurnOrder([ BattlerIndex.ENEMY, BattlerIndex.PLAYER ]);
+    await game.toNextTurn();
+    expect(teraBlastAttr.apply).toHaveLastReturnedWith(false);
+  });
+
+  it("does not change its move category from stat changes due to held items", async () => {
+    game.override
+      .startingHeldItems([{ name: "SPECIES_STAT_BOOSTER", type: "THICK_CLUB" }])
+      .starterSpecies(Species.CUBONE);
+    await game.startBattle();
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+
+    playerPokemon.stats[Stat.ATK] = 50;
+    playerPokemon.stats[Stat.SPATK] = 51;
+
+    vi.spyOn(teraBlastAttr, "apply");
+
+    game.move.select(Moves.TERA_BLAST);
+    await game.setTurnOrder([ BattlerIndex.ENEMY, BattlerIndex.PLAYER ]);
+    await game.toNextTurn();
+
+    expect(teraBlastAttr.apply).toHaveLastReturnedWith(false);
+  });
+
+  it("does not change its move category from stat changes due to abilities", async () => {
+    game.override.ability(Abilities.HUGE_POWER);
+    await game.startBattle();
+
+    const playerPokemon = game.scene.getPlayerPokemon()!;
+    playerPokemon.stats[Stat.ATK] = 50;
+    playerPokemon.stats[Stat.SPATK] = 51;
+
+    vi.spyOn(teraBlastAttr, "apply");
+
+    game.move.select(Moves.TERA_BLAST);
+    await game.setTurnOrder([ BattlerIndex.ENEMY, BattlerIndex.PLAYER ]);
+    await game.toNextTurn();
+    expect(teraBlastAttr.apply).toHaveLastReturnedWith(false);
+  });
+
 
   it("causes stat drops if user is Stellar tera type", async () => {
     game.override.startingHeldItems([{ name: "TERA_SHARD", type: Type.STELLAR }]);