True skill mastery is an achievement greater than skill mastery, obtainable by reaching level 120 in any skill. The achievement was first released on 12 April 2010 with the Dungeoneering skill and later expanded when master capes were released for other skills on 28 April 2014. The amount of experience required to achieve true skill mastery in any non-elite skill is 104,273,167. This is about eight times the experience needed to reach level 99 on a normal experience curve. __TOC__