The Missing Diplomat quest Bugged?

[Dfender 0]

I cant slain Tapoke Jahn, I try to kill but he go running away and them dissapear in the wall of strongolh in Menethi Harbor... i think that is not right.. dont work!.. please let me know if i am doing something wrong or this quest dont work...... thank

 

 

regards

[Zancon 117]

Please open an in game ticket for assistance with this quest.