Underground Labyrinth · Stage 40
Underground B40F
地底40層
Underground B40F is a Battle Cats stage in Underground Labyrinth: The Grand Deep. It costs 400 energy and sends 6 enemy spawn lines against a 600,000 HP enemy base, and clearing it rewards 2,256 XP. Its enemies carry the Zombie and Alien traits, so cats that target them do the most work here.
Data updated: 2026-08-31
400Energy Cost
2,256XP Reward
600,000Enemy Base HP
4,000Stage Length
7Max Enemies
9.1Difficulty
Enemy spawns (6)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Those Guys | 3000% | ∞ | 6.7s | 6.7s~10s | 100% | — |
 Coffin Zoge | 200% | 4 | 13.3s | 1s~2s | 100% | — |
 The Thrillerz | 150% | ∞ | 13.3s | 33.3s~36.7s | 100% | — |
 Zoge | 250% | 5 | 26.7s | 33.3s~36.7s | 100% | — |
 Ursamajor | 1400% | 1 | 33.3s | — | 100% | — |
| Coffin Zoge | 200% | 2 | 133.3s | 1s~2s | 100% | — |