Main Chapters · Stage 12
Cats of the Cosmos Ch. 3 — Stage 12
赤い長方形星雲
Cats of the Cosmos Ch. 3 — Stage 12 is a Battle Cats stage in Cats of the Cosmos Ch. 3. It costs 77 energy and sends 6 enemy spawn lines — led by Bore as the boss — against a 460,000 HP enemy base, and clearing it rewards 4,300 XP. Its enemies carry the Alien and Red traits, so cats that target them do the most work here.
Data updated: 2026-08-31
77Energy Cost
4,300XP Reward
460,000Enemy Base HP
6,000Stage Length
10Max Enemies
9.2Difficulty
Enemy spawns (6)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Mesocosmocyclone | 120% | 1 | 0s | — | 99% | — |
 Kroxo | 1600% | 10 | 3.3s | 23.3s~30s | 100% | — |
 Squire Rel | 4000% | ∞ | 1.3s | 10s~16.7s | 100% | — |
 One Horn | 2400% | 2 | 2.7s | 13.3s | 99% | — |
 Bore | 300% | 1 | 0s | — | 99% | Boss |
 Ms. Sign | 100% | ∞ | 900s | 900s | 100% | — |