Doom 3: BFG Edition Lost Mission Any% Nightmare Speedrun in 20:55

I reached my goal and I am done with this for now. It is possible to do 20:4x but I don't see any point in doing so. Intro - 0:00 Enpro 1 - 0:19 Enpro 2 - 3:22 Underground 1 - 6:26 Underground 2 - 7:03 Exis Labs 1 - 9:34 Exis Labs 2 - 11:56 Hell - 14:49 Hell Outpost - 18:37