DC boss room trial of sekhemas

The game is running fine and no problem at all untill I am in trial of sek boss room. I walk over the bridge and my cpu spikes from 4-8ms to around 2-2.5kms and im getting dc'd.

I have tried swtiching between vulkan or directX12. Resetting whole trial also doesnt do the trick. nothing helps.

Does anyone else has this problem aswell and how can I solve this.