Bathtub of Whimsy (まちぶせ風呂) is the fifth stage in Heaven's Back Alley.
- 2 Hackeys spawn after 3.3 seconds100f, delay 3.3 seconds100f.
- 21 Crocos will spawn.
- 4 will spawn after 10, 11, and 12 seconds each, each delayed 0.7~1.3 seconds20~40f.
- 2 triplets will spawn after 16.7 seconds, delay 0.07 seconds2f.
- Unlimited Squire Rels spawn after 16.7 seconds500f, delay 3.3~10 seconds100~300f.
- After 16.7500f seconds, 4 waves of Brollows start to spawn.
- The first wave has 16 Brollows, delay 3~9 seconds.
- The second wave has 20 Brollows, delay 2~6 seconds.
- The third wave has 24 Brollows, delay 1~3 seconds.
- The last wave has unlimited Brollows, delay 33.3~50 seconds1000~1500f.
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