League of Legends Wiki
League of Legends Wiki

Release version

V11.15
  • Thundering Shuriken Thundering Shuriken
    • Base damage increased to 85 / 130 / 175 / 220 / 265 from 75 / 115 / 155 / 195 / 235.
    • AP ratio increased to 80% AP from 75% AP.
V11.10
  • Electrical Surge Electrical Surge
    • On-hit base damage increased to 20 / 30 / 40 / 50 / 60 from 10 / 20 / 30 / 40 / 50.
    • On-hit AP ratio increased to 25% AP from 20% AP.
V11.8
  • Electrical Surge Electrical Surge
    • Bug Fix: Fixed a bug where the SFX would continue to play after cast until his death.
V10.16
  • Lightning Rush Lightning Rush
    • Bug Fix: Killing the clone from Shaco's Shaco's Hallucinate Hallucinate and dying to the detonation no longer causes the ability to be permanently swapped to the recast.
V10.13
V9.14
  • Stats
    • Base attack damage reduced to 48 from 50.544.
    • Attack damage growth increased to 3.75 from 3.3.
    • Attack speed at level 1 reduced to 0.625 from 0.69.
  • Lightning Rush Lightning Rush
    • Bonus attack speed increased to 40 / 50 / 60 / 70 / 80% from 30 / 40 / 50 / 60 / 70%.
V9.13 - June 27th Hotfix
V9.13
  • Lightning Rush Lightning Rush
    • Now more quickly and reliably applies its effects to enemies they hit.
V9.9
  • Lightning Rush Lightning Rush
    • Removed: No longer grants 10 / 20 / 30 / 40 / 50 bonus armor and magic resistance while active.
  • Slicing Maelstrom Slicing Maelstrom
    • new Effect: Now grants 20 / 40 / 60 bonus armor and magic resistance for the duration.
V9.6
  • Slicing Maelstrom Slicing Maelstrom
    • New Effect: Now triggers effects that are triggered by DoT AoE abilities.
V9.4
  • General
    • Updated visual effects.
    • Basic attack shuriken model and hit VFX updated for readability between basic attack, empowered attack, and Thundering Shuriken Thundering Shuriken.
    • All skins aside from Blood Moon Kennen Blood Moon Kennen and Super Kennen Super Kennen use the base VFX aside from changing the shape of their shuriken where applicable.
  • Mark of the Storm Mark of the Storm
    • Proc VFX updated to better indicate source of the stun.
    • Passive marks on minions are dimmer.
  • Thundering Shuriken Thundering Shuriken
    • Shuriken model and hit VFX updated for readability between basic attack, empowered attack, and Thundering Shuriken.
  • Electrical Surge Electrical Surge
    • Surge VFX updated.
    • Empowered attack shuriken model and hit VFX updated for readability between basic attack, empowered attack, and Thundering Shuriken Thundering Shuriken.
  • Lightning Rush Lightning Rush
    • VFX updated to indicate area of effect and show his model during the animation.
  • Slicing Maelstrom Slicing Maelstrom
    • VFX updated to reduce visual noise.
  • Blood Moon Kennen Blood Moon Kennen
    • Unique VFX updated based on the same principles as the above.
  • Super Kennen Super Kennen
V8.22
V8.14
  • General
    • New SFX on entire kit.
V8.10
V8.9
  • Electrical Surge Electrical Surge
    • Passive base damage changed to 10 / 20 / 30 / 40 / 50 from 15 / 20 / 25 / 30 / 35.
    • Passive bonus AD ratio increased to 60 / 70 / 80 / 90 / 100% bonus AD from 60% at all ranks.
    • Passive AP ratio reduced to 20% AP from 30% AP.
    • Active base damage reduced to 60 / 85 / 110 / 135 / 160 from 65 / 95 / 125 / 155 / 185.
    • Active AP ratio increased to 80% AP from 55% AP.
  • Lightning Rush Lightning Rush
    • New Effect: If Lightning Rush damages an enemy champion, he gains 30 / 40 / 50 / 60 / 70% bonus attack speed for 4 seconds upon exiting Lightning Rush.
    • Bonus resistances now only persists while in lightning form, from a static 4 seconds.
V8.3
  • Stats
    • Base health regeneration reduced to 5.5 from 5.592.
V7.22
  • Stats
    • Base armor increased to 29 from 24.3.
    • Base health increased to 541 from 535.72.
    • Health growth increased to 84 from 79.
  • Lightning Rush Lightning Rush
    • Active base damage reduced to 80 / 120 / 160 / 200 / 240 from 85 / 125 / 165 / 205 / 245.
V7.13
  • Electrical Surge Electrical Surge
    • New Effect: Passive now deals 15 / 20 / 25 / 30 / 35 base damage.
    • New Effect: Passive now scales with 30% AP.
    • Passive AD ratio changed to 60% bonus AD at all ranks from 40 / 50 / 60 / 70 / 80% AD.
    • New Effect: Passive counter increments upon launching an attack, previously was upon landing a hit.
    • Runaan's Hurricane Runaan's Hurricane no longer grants extra stacks on secondary targets.
  • Lightning Rush Lightning Rush
    • AP ratio increased to 80% AP from 60% AP.
V7.9
  • Stats
    • Magic resistance growth increased to 0.5 from 0.
V7.7
V7.4
V7.3
  • General
    • Bug Fix: Fixed a bug on most of Kennen's skins where the on-hit particles for his basic attack were not properly appearing.
V7.1
  • Slicing Maelstrom Slicing Maelstrom
    • Base damage reduced to 40 / 75 / 110 from 80 / 145 / 210.
    • AP ratio reduced to 20% AP from 40% AP.
    • Per target successive strike modifier increased to 100 / 110 / 120 / 130 / 140 / 150% from 100 / 75 / 50 / 50 / 50 / 50% on strikes 1 to 6.
      • New Effect: Successive maelstrom hits against the same enemy deal an additional 10% damage for each hit they've already suffered from this storm.
      • Removed: Each time an enemy is struck, further hits deal 25% less damage (minimum of 50% damage).
V6.17
  • General
    • Kennen's basic attack animation has been updated to better match when the shuriken leaves his hand.
  • Stats
    • Basic attack missile speed increased to 1700 from 1600.
  • Electrical Surge Electrical Surge
    • Empowered attack missile speed reduced to 1700 from 1800.
V6.9
  • General
    • New ability icons.
  • Mark of the Storm Mark of the Storm
    • Mark duration reduced to 6 seconds from 6.25.
    • Diminishing returns stun duration reduced to 6 seconds from 7.
    • Additional stun duration reduced to 0.5 seconds from 0.6.
  • Thundering Shuriken Thundering Shuriken
    • Energy cost reduced to 60 / 55 / 50 / 45 / 40 from 65 / 60 / 55 / 50 / 45.
  • Electrical Surge Electrical Surge
    • Range reduced to 750 from 800.
    • Energy cost reduced to 40 from 45.
  • Slicing Maelstrom Slicing Maelstrom
    • Duration reduced to 3 seconds at all ranks from 3 / 4 / 5.
    • Damage tick interval increased to 0.5 seconds from 0.25.
    • New Effect: Targeting changed to all enemies within AoE from random.
    • Removed: 3-hits-per-target limit.
    • New Effect: Enemies take 25% less damage with each successive hit, down to a minimum of 50%.
    • As a result of these changes, maximum possible individual damage increased to 300 / 543.75 / 787.5 (+ 150% AP) from 240 / 435 / 630 (+ 120% AP)
V6.8
V6.7
V5.13
V5.3
V4.21
  • Electrical Surge Electrical Surge
    • New Effect: Performs additional checks on-cast (besides after cast time).
  • Slicing Maelstrom Slicing Maelstrom
    • Damage tick interval reduced to 0.25 seconds at all ranks from 0.5 / 0.4 / 0.33.
    • New Effect: Cannot hit the same target more than once every 0.5 seconds.
    • Tooltip updated (storm duration from maximum hits, duration unchanged).
V4.5
  • Stats
    • Base armor increased to 18 from 14.
V3.14
  • Electrical Surge Electrical Surge
    • Bug Fix: Fixed a bug where Electrical Surge would not properly hit a target if Mark of the Storm wore off or was fully consumed before the casting time of Electrical Surge completed.
      • Mark of the Storm Mark of the Storm no longer wears off mid-cast.
      • If cast just as Mark of the Storm Mark of the Storm is consumed by another ability, Kennen will still deal damage and add a stack as normal.
V3.9
  • Stats
    • Base attack damage reduced to 47.2 from 51.3.
  • Mark of the Storm Mark of the Storm
    • Duration reduced to 6 seconds from 8.
V3.02
V3.01
V1.0.0.154
  • General
    • Basic attack updated to be more responsive.
V1.0.0.152
  • Stats
    • Movement speed increased to 335 from 310.
V1.0.0.142
  • General
    • Basic attack animations updated to be more responsive.
  • Stats
    • Attack range reduced to 550 from 575.
V1.0.0.134
V1.0.0.123
  • Thundering Shuriken Thundering Shuriken
    • AP ratio increased to 75% AP) from 66% AP.
  • Lightning Rush Lightning Rush
    • AP ratio increased to 60% AP from 55% AP.
    • Energy cost reduced to 100 / 95 / 90 / 85 / 80 from 100 at all ranks.
V1.0.0.118
V1.0.0.109
V1.0.0.101
V1.0.0.99
  • Mark of the Storm Mark of the Storm
    • Stun duration reduced to 1 second from 1.25.
    • New Effect: Stun has a diminished duration if applied to same target more than once within 7 seconds.
  • Electrical Surge Electrical Surge
    • AP ratio increased to 55% AP from 45% AP.
  • Lightning Rush Lightning Rush.
    • Energy cost reduced to 100 from 110.
    • New Effect: Grants 10 / 20 / 30 / 40 / 50 bonus resistances for 4 seconds.
  • Slicing Maelstrom Slicing Maelstrom
    • AP ratio increased to 40% AP from 33% AP.
    • Bolts increased to 6 / 10 / 15 from 6 / 8 / 10 (3-hits-per-target limit unchanged).
    • Removed: Cap of only applying a single Mark of the Storm Mark of the Storm per target.
V1.0.0.86
  • General
    • New sound effects for basic attacks against different materials.
V1.0.0.82
  • Added
  • Mark of the Storm Mark of the Storm (Innate)
    • Kennen's abilities add Marks of the Storm to opponents they hit, which explode at 3 stacks, stunning the opponent and restoring some of Kennen's energy.
  • Thundering Shuriken Thundering Shuriken (Q)
    • Kennen throws a lightning infused shuriken towards a location, damaging the first enemy it hits and adding a Mark of the Storm to them.
  • Electrical Surge Electrical Surge (W)
    • Kennen passively deals extra damage and adds a Mark of the Storm to opponents every few attacks, and can activate this ability to deal damage to all nearby marked units and add another mark.
  • Lightning Rush Lightning Rush (E)
    • Kennen transforms into a writhing ball of electricity, receiving a massive energy boost and gaining the ability to move through units. Enemy units he passes through receive damage and gain a Mark of the Storm.
  • Slicing Maelstrom Slicing Maelstrom (Ultimate)
    • Kennen summons an electrical storm around him, casting down lightning bolts to a random enemy champions near him multiple times per second.

See also