Collaboration Stages · 12 stages
| # | Stage | Boss | Enemies | Rewards | Base HP |
|---|---|---|---|---|---|
| 1 | Sudden Death Lv.1 |  Boss Ayumi Manbosaki 2% |      |  100%1st | 10,000 |
| 2 | Sudden Death Lv.2 | Boss Ayumi Manbosaki 8% | |  100%1st | 30,000 |
| 3 | Sudden Death Lv.3 | Boss Ayumi Manbosaki 30% | |  ×50,000100%1st | 60,000 |
| 4 | Sudden Death Lv.4 | Boss Ayumi Manbosaki 65% | |  100%1st | 120,000 |
| 5 | Sudden Death Lv.5 | Boss Ayumi Manbosaki | |  100%1st | 180,000 |
| 6 | Sudden Death Lv.6 | Boss Ayumi Manbosaki 343% | |  100%1st | 260,000 |
| 7 | Sudden Death Lv.7 | Boss Ayumi Manbosaki 586% | | ×500,000100%1st | 360,000 |
| 8 | Sudden Death Lv.8 | Boss Ayumi Manbosaki 829% | | ×2100%1st | 480,000 |
| 9 | Sudden Death Lv.9 | Boss Ayumi Manbosaki 1071% | |  100%1st | 600,000 |
| 10 | Sudden Death Lv.10 | Boss Ayumi Manbosaki 1314% | |  100%1st | 750,000 |
| 11 | Sudden Death Lv.11 | Boss Ayumi Manbosaki 1557% | | ×1,000,000100%1st | 900,000 |
| 12 | Sudden Death Lv.12 | Boss Ayumi Manbosaki 1800% | |  100%1st | 1,100,000 |