Enlightenment (Season 2012 Mastery)

 Enlightenment is a defense mastery, that has been used since the redesigning of masteries on November 15th, 2011. It is a tier 4 mastery and has 3 ranks.

Effect per rank

 * Increases Cooldown Reduction by .15 per level (.45 at rank 3). This translates to 8.1 at rank 3 at champion level 18.

Requirements

 * Requires 12 points in Defense.