Collaboration Gauntlets · Stage 9
I Don't Mind One Bit Lv. 9
わたしは一向にかまわん Lv.9
I Don't Mind One Bit Lv. 9 is a Battle Cats stage in Vs Retsu Kaioh. It costs 150 energy and sends 5 enemy spawn lines — led by Retsu Kaioh (Enemy) as the boss — against a 850,000 HP enemy base, and clearing it rewards 13,395 XP.
Data updated: 2026-08-31
150Energy Cost
13,395XP Reward
850,000Enemy Base HP
4,000Stage Length
15Max Enemies
10.1Difficulty
Enemy spawns (5)
| Enemy | Strength | Count | First Spawn | Respawn | Base HP Trigger | Notes |
|---|---|---|---|---|---|---|
 Croco | 3250% | ∞ | 6.7s | 10s~13.3s | 100% | — |
 Celeboodle | 850% | 4 | 6.7s | 73.3s~80s | 100% | — |
 Retsu Kaioh (Enemy) | HP 23000% / ATK 15000% | 1 | 20s | — | 100% | Boss |
 Dagshund | 750% | 3 | 40s | 73.3s~80s | 100% | — |
 R.Ost | 200% | 1 | 66.7s | — | 100% | — |