Collaboration Stages · 2 stages
| # | Stage | Boss | Enemies | Rewards | Base HP |
|---|---|---|---|---|---|
| 1 | It's Not Your Fault (Veteran) |  Boss Unit-13's False Evolution 15% |  |  5% | 200,000 |
| 2 | We'll Meet Again (Merciless) | Boss Unit-13's False Evolution |    | 100% | 1,000,000 |