4-2 // GOD DAMN THE SUN (Any%)

Secret Exit

Entrance

Slide, turn 180, UB then Duck Boost to first checkpoint

First Checkpoint

Aim around here
Ultraboost over the building
Slam down and dash to where the button is and click it
Checkpoint reset

Second Checkpoint

Diagonal Dash Jump holding W and D
Whiplash to grab torch then Checkpoint UB

Third Checkpoint

Use momentum from Checkpoint UB to place the torch
As soon as you place the torch, UB
Duck Boost

Video Guides

How to Speedrun 4-2 in ULTRAKILL by @fishybandit

Post-Revamp Pillar Lineup by @fishybandit