Mods used are: Beplnx and ULTRAKILLtweaker.
Double gab is harder then the hardest sekiro/dark souls bosses.
I think i should point out that 6-1 and 6-2 we're not done in a row. I took a break from the game after beating 6-1 and did 6-2 later, i just edited the videos together to get a seamless transition between levels.
Twitter: / sadtime09149053