My dk was on the same quest, he was 600 vp in and my priest was 2925 valor into the quest, i did the timeless isle quest and got 50 epoch stones. I then logged on my dk ran to SM and killed the bosses, i alt+f4 and went back on my priest. i /who my dk and saw him online. i whispered him and it went through so i decided to turn in the quest. it did not work but oh well. just thought my contribution of my situation could help the community.