c-u-r-s-e-d-i-m-a-g-e-s

catsdelightful

this is a boss fight but i don't know which one the boss is

hematite2

The brass sentinel is the boss. The player is the one lying underneath the stairs. The man in red power-stancing is the high-level player summons here to carry you through the fight

Source: c-u-r-s-e-d-i-m-a-g-e-s