Main Chapters · Stage 21Cats of the Cosmos Ch. 3 — Stage 21アルデバランData updated: 2026-07-2493Energy Cost7,000XP Reward520,000Enemy Base HP5,000Stage Length10Max Enemies9.2Difficulty Build a lineup for this stage Test your team vs this stageEnemy spawns (6)EnemyStrengthCountFirst SpawnRespawnBase HP TriggerNotesB.B.Bunny2600%∞3.3s13.3s~20s100%—Imperator Sael1800%36.7s16.7s~23.3s100%—Shy Boy1600%113.3s—100%—Gardeneel Bros.150%116.7s—100%—Spacefish Jones500%118.7s—100%—Ms. Sign100%∞900s900s100%—All Cats of the Cosmos Ch. 3 stages