Constant disconnects from Purifier fight

Trying to finish Purifier under Maven influence, but every time during the fight I get disconnected:
2026/03/14 13:11:04 128065453 aecea4b6 [INFO Client 4156] Abnormal disconnect: An unexpected disconnection occurred.

and I can't ever reconnect to that arena, getting disconnected every time. Tried Canada, Washington DC if it helps.
Happened 3 times, still can't finish encounter, kinda ready to give up

I have the same issue, and also if i die mid-map there would be big chance that i'll never be able to connect back. Same with bosses, same with simulacrum. Also it's related not to map itself, but to some parts of it. So i can play in bottom part of map, and it will crash once i walk towards top.

A week and few patches/fixes before, the issue still occurs. I went into Purifier patch, at 3rd phase I got disconnected. At this moment I'm not even sure this isn't some boss Maven spawns with Destructible Play.

And I can't rejoin the fight ever, keep getting disconnected.