not a bug but bad things

I have noticed a couple of times that sometimes when you enter Belly of the Beast level 1(from Chrystal Veins), monsters are sometimes kicking my ass before the level is even loaded(on my side).

I'm not 100% sure but this might happen when you enter The Harvest too (from BotB2)??

These are normal spawns, not Perandus or shrine/box spawns.

No deaths so far but i can see the potential here :D