[RESOLVED] Mob required to kill is bugged, cant do main quest line Drieghan II

Bug Name:

[RESOLVED] Mob required to kill is bugged, cant do main quest line Drieghan II​

Bug Description:

Quest: The Sherekhans' Approval
Can't attack the mob that is for the objective "-Pass Belcada's test'
Player can kill other 4 mobs, but the main one is bugged. Forfeit quest wont fix it,
changing channel allows to redo quest, but same bug happens, cant complete it.
here is quest and how its done on live server: ​

How to reproduce/proof:

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Same bug for me

 

Fixed