Collaboration Stages · 2 stages
| # | Stage | Boss | Enemies | Rewards | Base HP |
|---|---|---|---|---|---|
| 1 | King of Heroes (Veteran) |  Boss Gilgamesh 20% |      |  25%  ×150,00010% | 200,000 |
| 2 | King of Heroes (Deadly) | Boss Gilgamesh |     | 50% ×300,00010% | 600,000 |