Ultrakill 5-1 Challenge Link
Even after draining the level, the challenge remains active and dangerous: Guide :: Completing 5-1' challenge. (Don't touch any water)
To successfully complete the challenge, you must finish the entire level without V1 entering the water volume. However, because the standard level exit is blocked by a waterfall, it is to complete the challenge without first draining the level. How to Drain the Water ultrakill 5-1 challenge
Located high up on the wall to the left of the level's entrance, hidden behind a large metal pillar. Even after draining the level, the challenge remains
Lean heavily on the Whiplash and green hookpoints to stay airborne. Even after draining the level