Summoner's Insight is a tier 2 utility mastery with 3 ranks.
- Requires 4 points in Utility.
- Reduces the cooldown of summoner spells by 4/7/10%.
Season 2014 Changes
TIER :  ⇒ 2
RANKS :  ⇒ 3
SUMMONER SPELLS COOLDOWN REDUCTION 4/7/10%
SUMMONER SPELL ENHANCEMENT No longer empowers Summoner Spells
Summoner's Insight is a tier 1 utility mastery with 1 rank.
- Empowers the following Summoner Spells:
- Clairvoyance: Grants persistent sight of enemies revealed for 5 seconds.
- Clarity: Increases mana restored by 25%.
- Flash: Reduces cooldown by 15 seconds.
- Revive: Grants bonus health after reviving for 120 seconds.
- Teleport: Reduces cast time by 0.5 seconds.
Season 3 Changes
REVIVE ENHANCEMENT Grants bonus health after reviving for 120 seconds.
PROMOTE No longer provide improvements
CLAIRVOYANCE ENHANCEMENT : [Increases duration by 2 seconds.] ⇒ Grants persistent sight of enemies revealed for 5 seconds.
CLARITY ENHANCEMENT : [Increases mana restored by 20%.] ⇒ Increases mana restored by 25%.