Main Chapters · Stage 6
Mercury
水星
Mercury is a Battle Cats stage in Cats of the Cosmos Ch. 1 (Zombie). It costs 54 energy and sends 12 enemy spawn lines against a 180,000 HP enemy base, and clearing it rewards 2,500 XP. Its enemies carry the Zombie and Alien traits, so cats that target them do the most work here.
Data updated: 2026-08-31
54Energy Cost
2,500XP Reward
180,000Enemy Base HP
5,200Stage Length
15Max Enemies
9.1Difficulty
Enemy spawns (12)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Squire Rel | 2400% | 10 | 6.7s | 3.3s~6.7s | 100% | — |
| Squire Rel | 2400% | 10 | 10s | 3.3s~6.7s | 100% | — |
 Zang Roo | 250% | 4 | 13.3s | 26.7s~30s | 100% | — |
 Zroco | 250% | ∞ | 16.7s | 16.7s~23.3s | 100% | — |
 Shibalien Elite | 100% | ∞ | 16.7s | 33.3s~50s | 100% | — |
 Zomboe | 250% | 2 | 26.7s | 36.7s~40s | 100% | — |
| Shibalien Elite | 100% | 1 | 33.3s | — | 100% | — |
 Star Peng | 100% | 1 | 36.7s | — | 100% | — |
| Shibalien Elite | 100% | 1 | 60s | — | 100% | — |
| Star Peng | 100% | 1 | 63.3s | — | 100% | — |
| Shibalien Elite | 100% | 1 | 66.7s | — | 100% | — |
 Ms. Sign | 100% | ∞ | 900s | 900s | 100% | — |