diff --git a/src/samples/slay-the-spire-like/data/desert/triggers/damage.ts b/src/samples/slay-the-spire-like/data/desert/triggers/damage.ts
index b95c36c..4aa8e92 100644
--- a/src/samples/slay-the-spire-like/data/desert/triggers/damage.ts
+++ b/src/samples/slay-the-spire-like/data/desert/triggers/damage.ts
@@ -55,25 +55,6 @@ export function addDamageTriggers(triggers: Triggers) {
     await next();
   });
 
-  // spike: damage attacker
-  triggers.onDamage.use(async (ctx, next) => {
-    await next();
-
-    if (ctx.amount - (ctx.prevented ?? 0) <= 0) return;
-
-    const entity = getCombatEntity(ctx.game.value, ctx.entityId);
-    if (!entity || !entity.isAlive) return;
-
-    const spike = entity.effects.spike?.stacks ?? 0;
-    if (spike > 0 && ctx.sourceEntityId) {
-      await triggers.onDamage.execute(ctx.game, {
-        entityId: ctx.sourceEntityId,
-        amount: spike,
-        sourceEntityId: ctx.entityId,
-      });
-    }
-  });
-
   // energyDrain: player loses energy when enemy takes damage
   triggers.onDamage.use(async (ctx, next) => {
     const entity = getCombatEntity(ctx.game.value, ctx.entityId);
diff --git a/src/samples/slay-the-spire-like/data/desert/triggers/instant.ts b/src/samples/slay-the-spire-like/data/desert/triggers/instant.ts
index aaa40bf..76face1 100644
--- a/src/samples/slay-the-spire-like/data/desert/triggers/instant.ts
+++ b/src/samples/slay-the-spire-like/data/desert/triggers/instant.ts
@@ -1,5 +1,8 @@
 import { Triggers } from "@/samples/slay-the-spire-like/system/combat/triggers";
-import { addEntityEffect } from "@/samples/slay-the-spire-like/system/combat/effects";
+import {
+  addEntityEffect,
+  getCombatEntity,
+} from "@/samples/slay-the-spire-like/system/combat/effects";
 import { moveToRegion } from "@/core/region";
 import { CombatGameContext } from "@/samples/slay-the-spire-like/system/combat/types";
 import { GameCard } from "@/samples/slay-the-spire-like/system/deck";
@@ -97,6 +100,16 @@ export function addInstantEffectTriggers(triggers: Triggers) {
         amount: ctx.stacks,
         sourceEntityId: ctx.sourceEntityId,
       });
+
+      const entity = getCombatEntity(ctx.game.value, ctx.entityId);
+      const spike = entity?.effects.spike?.stacks ?? 0;
+      if (spike > 0 && ctx.sourceEntityId) {
+        await triggers.onDamage.execute(ctx.game, {
+          entityId: ctx.sourceEntityId,
+          amount: spike,
+          sourceEntityId: ctx.entityId,
+        });
+      }
     } else if (ctx.effect.id === "draw") {
       await triggers.onDraw.execute(ctx.game, { count: ctx.stacks });
     } else if (ctx.effect.id === "gainEnergy") {