Title/Achievement bug

World name: Spriggan
Character name@Home World name: Nellieh Wynter@Ragnarok
Class/Level:Bard 80, Gunbreaker 70
Party or solo: solo
Steps:
1. World visit to Spriggan from Ragnarok
2. Complete Gunnhildr's Blade I and A Bard's Tale IV
3. ???

I used world visit during congestion to Spriggan and finished these two achievements , i reported it to in-game GM but they sent me here since they can't fix bugs, i didn't get the titles from those two achievements, and GM's can confirm it.