||The subject of this article was removed from World of Warcraft in patch 4.0.3a.
- This includes items and quests that can no longer be obtained or are now deprecated.
- The in-game information in this article is kept purely for historical purposes.
Hibernation Crystal is an epic trinket used to phenomenally boost spell power for a short time.
This trinket drops off Ysondre, one of the four Dragons of Nightmare.