Ah, fuck it, on my 20th attempt, REALLY not a good start, not at all, completely waste the Megasphere like a retard, but it felt like I was maaaybe kinda salvaging it, then I get shot in the back of the head by a shotcunt I don't notice teleporting in.
All my new attempts on the level this time, most are very short:
https://files.catbox.moe/2xuln9.zip
Baldy ruined my mood.

I'll try this again sometime later. Black Crest is a pretty brutal level, but I admire the fuck out of its design, and it's fun as hell when I manage to get a good flow going (or I'm not trying for an UVMax run).