Summoner's Wrath (Season 2013 Mastery)

 Summoner's Wrath is a tier 1 offense mastery with 1 rank.

Effect per rank

 * : Lowers the target's armor and magic resistance by 10.
 * : Grabts 5 attack damage and 5 ability power while on cooldown.
 * : Bonus movement speed increased to 35% movement speed.
 * : Allied towers gain 50% splash damage.

Previous Versions

 * Season One
 * Cripple
 * Burning Embers
 * Haste
 * Season Two