Discipline of Xuen

Source
Created by using a Timeless Curio. The Timeless version is purchasable for from Mistweaver Ai.

Effective Mastery
The effective Mastery granted by this trinket is calculated as a function of attack time. Faster attacks get the most out of this Trinket. The formula for calculating the amount of effective +Mastery granted by this item is -

Normal: E = 6914 * 20 / (115 + (t / 0.15))) Timeless: E = 9943 * 20 / (115 + (t / 0.15))) Where... E = Effective +Mastery t = Average attack time