The bosses in boss gauntlet Pharyl Megalith bugged out

The bosses in boss gauntlet Pharyl Megalith bugged out and they can't damage me and I can't damage them, what could I do? I can't die or kill the bosses and can't teleport out too.

Also had this happen, to clarify - for me the cause was the Devourer boss leaving its "burrowed tail" right where the bosses spawn after it dies, which spawned the bosses inside it and so they couldnt move/attack (the caster bosses however used its abilities partly).

I just found another bug that let me get out of this map. There's the little corner of the gauntlet that I could teleport out of.