I've exclusively died to things that I can't see.
I genuinely don't even know what I'm supposed to be avoiding. I can't see the ground because there are a hundred mobs and flashy effects going off in every direction, how am I supposed to know there's an instant death pool under my feet?
I remember finding those little bugs that shoot the stream of smaller bugs at you annoying, but these other mechanics are just nonsensical with that they add to the game. The falling sword, and the electrified obelisks, and the pools of fire, and the pools of lava, and the pools of electricity, and the pools of blood.
I will be having fun with my build, not a meta build but just a fun one I made, not walking through everything, but having fun clearing areas. Then as I get swarmed by another hundred brightly coloured glowing giants that fill the entire screen, doing nothing differently than what has allowed me to survive so far, paying attention and dodging and moving, suddenly I die, seemingly randomly. This is the only way I die. When the screen is filled with colours and lights and one of the regular cannon fodder mobs happens to have an instant death mechanic.
It's dumb, and it's not fun.
I'd be accepting of a skill-issue, but I don't even know what to dodge and when.
Devs really either need to reduce the number of mobs onscreen, reduce the effects that can happen at once, or remove the instant death stuff. It's legitimately is ruining the experience.