----------
Step 2 - Visit his profile and watch the preview trailer.
----------
Step 3 - Talk to the Blue Dragon again and receive your reward.
----------
- Blue Dragon Tail"This shadow dragon tail embodies the tremendous power of the legendary dragon."
----------
You can complete this quest 3 times.
(I entered a room that filled up before the page fully loaded, and I got the item without having to view the trailer.)
This quest is no longer available.