Trivia

  • Cosmic Insight behaves similarly to the removed Season 2016 mastery Intelligence mastery 2016.png Intelligence.
Summoner spell CDR
Base cooldown ▶ 300s
(FlashTeleport)
240s
(ClarityHeal)
210s
(CleanseExhaustIgnite)
180s
(BarrierGhost)
75s
(Smite)
80s
(Mark)
Cooldown reduction icon Cooldown reduction
5% (Cosmic Insight rune) 285s 228s 199.5s 171s 71.75s N/A
10% (Ionian Boots of Lucidity item) 270s 216s 189s 162s 67.5s N/A
15% (Ionian Boots of Lucidity itemCosmic Insight rune) 255s 204s 178.5s 153s 63.25s N/A
25% (Unsealed Spellbook rune) 225s 180s 157.5s 135s 56.25s N/A
30% (Unsealed Spellbook runeCosmic Insight rune) 210s 168s 147s 126s 52.5s N/A
35% (Unsealed Spellbook runeIonian Boots of Lucidity item) 195s 156s 136.5s 117s 48.75s N/A
40% (Unsealed Spellbook runeIonian Boots of Lucidity itemCosmic Insight rune) 180s 144s 126s 108s 45s N/A
40% (Howling Abyss icon) 180s 144s 126s 108s N/A 48s
43% (Howling Abyss iconCosmic Insight rune) 171s 136.8s 119.7s 102.6s N/A 45.6s
50% (Howling Abyss iconIonian Boots of Lucidity item) 150s 120s 105s 90s N/A 40s
52.5% (Howling Abyss iconIonian Boots of Lucidity itemCosmic Insight rune) 142.5s 114s 99.75s 85.5s N/A 38s
55% (Howling Abyss iconUnsealed Spellbook rune) 135s 108s 94.5s 81s N/A 36s
58% (Howling Abyss iconUnsealed Spellbook runeCosmic Insight rune) 126s 100.8s 88.2s 75.6s N/A 33.6s
65% (Howling Abyss iconUnsealed Spellbook runeIonian Boots of Lucidity item) 105s 84s 73.5s 63s N/A 28s
68% (Howling Abyss iconUnsealed Spellbook runeIonian Boots of Lucidity itemCosmic Insight rune) 96s 76.8s 67.2s 57.6s N/A 25.6s
Active Item CDR Perfect Timing rune Perfect Timing
(Gargoyle Stoneplate itemZhonya's Hourglass itemZhonya's Paradox itemWooglet's Witchcap itemWooglet's Witchcrown item)
None 15%
Cosmic Insight rune 5% 19.25%
Ingenious Hunter rune0 10% 23.5%
Ingenious Hunter rune0Cosmic Insight rune 15% 27.75%
Ruby Sightstone item 20% 32%
Ruby Sightstone itemCosmic Insight rune 25% 36.25%
Ruby Sightstone itemIngenious Hunter rune0 30% 40.5%
Ruby Sightstone itemIngenious Hunter rune0Cosmic Insight rune 35% 44.75%
Ingenious Hunter rune5 40% 49%
Ingenious Hunter rune5Cosmic Insight rune 45% 53.25%
Ingenious Hunter rune5Ruby Sightstone item 60% 66%
Ingenious Hunter rune5Ruby Sightstone itemCosmic Insight rune 65% 70.25%

Patch History

V7.22 Added
  • Inspiration icon Inspiration Slot 3 rune.
    • Passive: Gain 5% cooldown reduction and increases the cooldown reduction cap to 45%. Additionally, reduces the cooldown of summoner spells and item actives by 5%.

References