Forgotten sepulcher awful? Or am I just bad

Just made it to sepulcher after sanctuary, had a really amazing build going on. Had a fire blast with +15% damage. Oil grenade with bonus damage to bleeding target and a sinue slicer with bonus damage to burning oil. I was having a blast clearing multiple cursed chest and finally did not die to curse cause of a golem. I go to sepulcher and in the initial room the mini lights are permanent. So I thought ok if I find them they will stay lit. I understood the concept of staying in light and avoiding darkness. So I go through find a light and advance and then realized I missed an enemy so I go back. But the light is completely gone and I thought I just couldn’t find it so I kept going back only to realize that no it’s just gone. How in the actual fuck was I supposed to know those lights aren’t permanent when they are in the first room. Just very frustrating to lose a good run due to what I thought was one thing but it turned out to be something else.

Anyone else have this issue or am I just dumb

I don’t think I’ll ever go back to that god awful place unless It has blueprints or something. I don’t like to feel like I have to run past enemy’s to not die as I always fight every single enemy in every biome.

Edit: just checked and looks like from my playthrough from years ago it looks like I still need to get point blank from there as well it having something to do with acceptance mutation

Edit 2: went back to try to get point blank mutation and made it through biome, will have to go through again to get blueprint