Impossible complete quest campain (Sataloca's Heart )

good day to all the staff gamezaion
is from about 2 weeks that I can not complete the quest Sataloca's Heart in the eltlen, I think I have a few bugs on the character nn I unlock this quest or the quest nn operate properly because I tried in every way but nothing not is complete in no way can you help? : Sad:... I do not know what to do to complete or have the pg nn buggy that can complete or the quest is completed but I can nn or bug the quest
P.S= I tried again to complete (5 minute ago) it with another person in the group, but both does not work ... I guess the npc is bug
I look forward to answer thanks