I cannot finish a map.

I have already kill Doryani but a robot still work and try to kill me Hardly.Then it kill me.Next,I try to kill him again.In 2nd Phase of boss i got a big problem.A robot cannot work(because it already dead).So i cannot Finish a map.I lost my item drop,I lost my EXP and I lost my time.This link is my vedio file https://www.mediafire.com/file/9bd6gq8imz2q6kb/be1d2150-26de-49bf-ace0-b5fa8d2e8a00.mp4/filePlease give me compensation.