Aku Studies 401: Field Research
Aku Studies 401: Inquiry
Regular Event Stages · Empress' Report 4 · 4/4
Energy100
Clear XP1,900
Base HP900,000
Map length4,600
Max enemies10
Spawn interval0.03s
Enemy traits 
Angel 
Aku 
Traitless
Angel Aku Traitless Boss
Spawn timeline
Scroll sideways to see more. For enemies with a base HP condition, drag the orange circle to set when they appear.
Enemies 8 types
| Enemy | Count | Mag. | HP | Attack | First | Respawn |
|---|---|---|---|---|---|---|
| From the start 5 types | ||||||
 Gabriel | Unlimited | 400% | 52,000 | 6,200 | 6.67s | 16.67–23.33s |
 Miz Devil | 3 | 300% | 900 | 3,750 | 10s | 13.33–16.67s |
 Celeboodle | 1 | 800% | 72,000 | 40,000 | 23.33s | — |
| Gabriel | 2 | 400% | 52,000 | 6,200 | 36.67s | 13.33–16.67s |
 Aku Gory | 1 | 250% | 212,500 | 17,170 | 46.67s | — |
 Ms. Sign | Unlimited | 100% | 10,000 | 1 | 900s | 900s |
| Once base HP ≤ 99% 6 types | ||||||
 H. Nah | 1 | 300% | 600,000 | 18,303 | Immediately | — |
| Celeboodle | 4 | 800% | 72,000 | 40,000 | Immediately | 26.67–30s |
| Aku Gory | 3 | 250% | 212,500 | 17,170 | Immediately | 53.33–56.67s |
| Miz Devil | 12 | 300% | 900 | 3,750 | Immediately | 10–13.33s |
 Medu-san | 1 | 100% | 788,000 | 8,800 | Immediately | — |
 Cala Maria Boss | 1 | 100% | 360,000 | 108,000 | Immediately | — |
HP and attack include the magnification.
Clear rewards
If the reward chances add up to more than 100, the rows are rolled in order and each later row shares what is left.