Frontier Shrine (Merciless)
Enigma Stages · Bad Instinct's Refuge · 1/1
Energy100
Clear XP1,900
Base HP800,000
Map length5,000
Max enemies7
Spawn interval0.03s
Enemy traits 
Aku
Aku 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 6 types
| Enemy | Count | Mag. | HP | Attack | First | Respawn |
|---|---|---|---|---|---|---|
| From the start 3 types | ||||||
 Aku Doge | 8 | 400% | 18,000 | 8,800 | 10s | 16.67–23.33s |
 Cerberus Kids | Unlimited | 500% | 12,500 | 12,500 | 6.67s | 6.67–13.33s |
 Condemned Peng | 2 | 400% | 129,000 | 16,800 | 23.33s | 26.67s |
| Once base HP ≤ 99% 5 types | ||||||
| Aku Doge | 15 | 400% | 18,000 | 8,800 | Immediately | 16.67–23.33s |
| Condemned Peng | 3 | 400% | 129,000 | 16,800 | after 20s | 26.67s |
 Midnite D. | 1 | 100% | 300,000 | 23,000 | Immediately | — |
| Midnite D. | 1 | 100% | 300,000 | 23,000 | after 66.67s | — |
 Medu-san Boss | 1 | 150% | 1,182,000 | 13,200 | Immediately | — |
 Ackey | 1 | 100% | 53,000 | 30,000 | after 26.67s | — |
HP and attack include the magnification.
Clear rewards
Strong Effect Up B: Aku 20% 
Strong Effect Up A: Aku 5% 
Massive Damage Up B: Aku 20% 
Massive Damage Up A: Aku 5% 
Tough Effect Up B: Aku 20% 
Tough Effect Up A: Aku 5% 
Attack Up B: Aku 10% 
Attack Up A: Aku 2.5% 
Defense Up B: Aku 10% 
Defense Up A: Aku 2.5%
If the reward chances add up to more than 100, the rows are rolled in order and each later row shares what is left.