For the Shugo Game Final Event I readed the event post on the official webpage and in the notes saids that one event npc will be remain until November 30, all the events npc dissapered at the same time when the event was over on Saturday November 27 and some players like me didnt even have the chance to use the marks and claim the rewards from the event quest with the "Kanurinerk" Npc.
Aion Webpage Official Notes:
*Please note the following:
NPC Kanurunerk will be deleted at 24:00 on Saturday, November 27, 2022.2.NPC Kanurinerk will be deleted at the time of regular maintenance on Wednesday, November 30, 2022.