a curious situation.

resquing private thorsen for aditional kurzen chain quest...

i fight 4 mobs when he is not there. waiting for him to come, fighting 4 mobs, 2 more spown for no reason and he is getting killed. i wait for another round and thats what i see after fighting first 2 mobs.

https://ibb.co/KLQjR7m

It's a scripting error that you should report in the bug tracker (but I think that it is already there)

There usually are level 80 players around there, maybe you could ask one for help.