The Proving Grounds
Extra Stages · 2 stages
EX stages
Appears after clearing The Proving Grounds (2 stages)
Chances are listed on each stage page.
| # | Stage | Energy | Boss | Enemies | Rewards | Base HP |
|---|---|---|---|---|---|---|
| 1 | Last Round: Dawn (Deadly) | 300 |  Boss Bun Bun Symbiote 100% |    |  ×1,000,000100% | 500,000 |
| 2 | Last Round: Dusk (Deadly) | 300 |  Boss Lord Gravey 100% |      | ×1,000,000100% | 500,000 |