diff --git a/apps/api/src/data/achievements.ts b/apps/api/src/data/achievements.ts
index bbc7693..95efa1b 100644
--- a/apps/api/src/data/achievements.ts
+++ b/apps/api/src/data/achievements.ts
@@ -324,6 +324,15 @@ export const defaultAchievements: Array<Achievement> = [
     reward:      { crystals: 10_000 },
     unlockedAt:  null,
   },
+  {
+    condition:   { amount: 100, type: "questsCompleted" },
+    description: "Complete 100 quests.",
+    icon:        "💫",
+    id:          "quest_legend",
+    name:        "Quest Legend",
+    reward:      { crystals: 15_000 },
+    unlockedAt:  null,
+  },
   {
     condition:   { amount: 122, type: "questsCompleted" },
     description: "Complete all 122 quests across the known multiverse.",