Massive lag/desync in multiplayer whenever combat starts

I mostly play this game with a close friend. Our ping to each other is around 80ms. We can play smoothly in each other’s session as long as there is no ongoing combat. When combat starts, however, massive rubberbanding and desync ensues, which usually resolves itself when combat is over or occasionally leads to a disconnection. Our PCs are both more than enough to run this game smoothly (8700k+1080ti and 9900k+2080ti, both on Win10). We even tried to play on the lowest preset but the problem persists. We play other co-op games just fine. Any idea or suggestion or help is appreciated.


Same for me. Out of combat everything is good. As soon as it starts desync

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