Aku Studies 501: Field Research
Aku Studies 501: Inquiry
Regular Event Stages · Empress' Report 5 · 4/4
Energy100
Clear XP1,900
Base HP1,000,000
Map length5,400
Max enemies12
Spawn interval0.03s
Enemy traits 
Metal 
Aku 
Red 
Traitless
Metal Aku Red Traitless Boss
Spawn timeline
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Enemies 5 types
| Enemy | Count | Mag. | HP | Attack | First | Respawn |
|---|---|---|---|---|---|---|
 Croconator | Unlimited | 100% | 5 | 800 | Start | 13.33–16.67s |
 Deathkory Boss | 1 | 100% | 1,270,000 | 23,500 | 13.33s | — |
 Ackey | 1 | 100% | 53,000 | 30,000 | 33.33s | — |
 Sir Seal | 7 | 4000% | 100,000 | 6,000 | 33.33s | 40–43.33s |
| Croconator | 5 | 100% | 5 | 800 | 66.67s | 1s |
| Croconator | 5 | 100% | 5 | 800 | 133.33s | 1s |
| Croconator | 5 | 100% | 5 | 800 | 200s | 1s |
| Croconator | 5 | 100% | 5 | 800 | 266.67s | 1s |
 Ms. Sign | Unlimited | 100% | 10,000 | 1 | 900s | 900s |
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.