Underground Labyrinth · Stage 28
Underground B28F
地底28層
Underground B28F is a Battle Cats stage in Underground Labyrinth: The Grand Deep. It costs 30 energy and sends 4 enemy spawn lines against a 600,000 HP enemy base, and clearing it rewards 1,692 XP.
Data updated: 2026-08-31
30Energy Cost
1,692XP Reward
600,000Enemy Base HP
3,000Stage Length
9Max Enemies
8.3Difficulty
Enemy spawns (4)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Doge | 3000% | ∞ | 3.3s | 10s~13.3s | 100% | — |
 Those Guys | 3000% | ∞ | 3.3s | 6.7s~13.3s | 100% | — |
 H. Nah | 100% | 2 | 20s | 40s~43.3s | 100% | — |
 Otta-smack-u | 400% | 5 | 33.3s | 20s~23.3s | 100% | — |