API GetMasteryEffect

Returns the effect of player's current Mastery. mastery, coefficient = GetMasteryEffect

Returns

 * mastery : Number - Current effect of the player's mastery, typically a damage increase percentage, or a percentage chance to trigger some specialization-specific effect.
 * coefficient : Number - A spec-dependent coefficient multiplied onto the player's raw mastery effect (as returned by ) to yield the actual effect of the mastery.