>>712789989He just breaks up the flow.
Which, imo, is his entire purpose, and if you treat it like that, he does his job. A very high priority target that must be addressed on its terms.
Although I did 100% get filtered by the slayer gate that has one spawn the the buff ghost thing already in him to the point I quit and never finished the DLCs. It wasn't bullshit, I just realized I had met the point where I was not good enough at an encounter to beat it and repeated trying was not teaching me to be better.