Fen-Yu, Fury of Xuen

Fen-Yu, Fury of Xuen is one of Wrathion's legendary cloak quest rewards for completing A Pandaren Legend in Patch 5.4. It is the upgraded version of Tigerfang Wrap, created by using the Timeless Essence of the Black Dragonflight. Using the timeless essence will automatically upgrade the cloak to item level 136.

Trivia

 * Fen-Yu (忿欲, Fèn Yù) is Chinese for "intense desire."