Nest of Evil/Challenges

Challenges
Each arena holds a group of monsters situated in a way to make the most of their capabilities against the player. Excluding boss areas, all of the rooms can be left after one minute of survival. Here's a list of all monster groups, starting with the first floor:

Floor 1
Dead Warrior x 2, Quetzalcoatl x 1

Floor 2
Demon x 2, Bone Ark x 1

Floor 3
Lightkeeper x 5, Mothman x 2

Floor 4
Minotaur x 4

Floor 5
Final Guard x 1, Jack O'Bones x 4

Boss
See more at Nest of Evil/Challenges/Page 2