Help with Spectral Keeper

I haven’t really struggled with any bosses other than Seymour Flux up to this point but Spectral Keeper is kicking my ass. I don’t have any berserk ward gear which seems to be the way to make this boss easier. I don’t feel particularly under leveled or anything my berserk luck has just been terrible and it ruins the run for me. I’ve tried probably 10-12 times now and I’m trying to beat this game tonight so if anyone has any tips I’d appreciate it.

Also yes I’ve looked at YouTube guides but from the 2 or 3 I looked at they all had berserk gear or their characters were much higher level than mine.