Summoner's Wrath (Season 2012 Mastery)

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

Effect per rank

 * Improves the following summoner spells:
 * Reduces the target's armor and magic resistance by 10.
 * Increases ability power and attack damage by 5 while on cooldown.
 * Increases ability power and attack speed gained by 10%.
 * Increases movement speed bonus to 35%

Requirements
None.

Strategy
Summoner's Wrath increases the power of your summoner spells that are listed above. You should skill it if you picked one of the summoner spells.