Kayn

25.10 · May 14, 2025

• Stats
• Health growth reduced to 103 from 109.

25.4

• Umbral Trespass
• Bug Fix: No longer still applies its exit effect to the target if his False Life triggers during it.

14.7

• Reaping Slash
• Bonus AD ratio per hit increased to 85% bonus AD from 80%.
• Total bonus AD ratio increased to 170% bonus AD from 160%.

14.6

• Reaping Slash
• Darkin Slayer health ratio increased to 6% of target's maximum health from 5%.
• New Effect: Item actives are now locked out while casting.
• Umbral Trespass
• Bonus AD ratio reduced to 150% bonus AD from 175%.

14.5

• The Darkin Scythe
• New Effect: Darkin Slayer healing now scales with 0.5% per 100 bonus health.
• Umbral Trespass
• Darkin Slayer heal increased to 75% of damage amount from 65%.
• Base heal increased to 11.25% of the target's maximum health from 9.75%
• Heal bonus AD ratio increased to 7.5% per 100 bonus AD from 6.5%.

14.2

• The Darkin Scythe
• Removed: Damage instances dealt by Summon Aery no longer spawn orbs for transformation progress.
• Umbral Trespass
• Bug Fix: Darkin Slayer version's heal is now granted automatically if the unit dies during the channel.
• Unknown Patch - Estimated V13.23
• General
• Transforming into Shadow Assassin or Rhaast no longer causes the central portion of the in-game UI to use their respective base portraits for all skins.

13.18

• The Darkin Scythe
• Darkin Slayer healing changed to 25% of damage dealt at all levels from 20% to 30%.
• Umbral Trespass
• Darkin Slayer damage bonus AD ratio reduced to 10% per bonus AD from 13%.
• Darkin Slayer heal bonus AD ratio reduced to 6.5% per 100 bonus AD from 8.45%.

13.17

• The Darkin Scythe
• New Effect: Now fully restores his health and mana upon transforming. Does not apply in ARAM.
• Blade's Reach
• Bonus AD ratio reduced to 110% bonus AD from 130%.

13.8

• Shadow Step
• Shadow Assassin cooldown increased to 10 seconds from 8.
• Shadow Assassin bonus movement speed reduced to 70% from 80%.

13.3

• The Darkin Scythe
• Shadow Assassin bonus damage increased to 15% to 45% from 13% to 40%.
• Reaping Slash
• Bonus AD ratio increased to 80% bonus AD from 65%.
• Total bonus AD ratio increased to 160% bonus AD from 130%.

12.23

• The Darkin Scythe
• Shadow Assassin bonus damage increased to 13% to 40% from 9.3% to 31.4%.
• The previous values were intended to be 8% to 30.1%, but were greater in effect.
• Shadow Step
• Bonus AD ratio increased to 45% bonus AD from 35% bonus AD.

12.18

• Reaping Slash
• Darkin Slayer bonus AD ratio reduced to 3.5% per 100 bonus AD from 5%.

12.14

• Stats
• Health growth increased to 109 from 99.
• The Darkin Scythe
• Darkin Slayer heal reduced to 20% to 30% from 25% to 35%.

12.13

• The Darkin Scythe
• Bug Fix: Damage instances dealt by First Strike no longer spawn orbs for transformation progress.

12.11

• Reaping Slash
• Darkin Slayer bonus AD ratio reduced to 5% per 100 bonus AD from 5.5%.

12.10

• Stats
• Base health increased to 655 from 585.
• Health growth increased to 99 from 85.
• Armor growth increased to 4.5 from 3.3.
• Magic resistance growth increased to 2.05 from 1.25.
• The Darkin Scythe
• Darkin Slayer heal reduced to 25% to 35% from 30% to 40%.
• Shadow Step
• Base heal reduced to 90 to 130 from 100 to 160.
• Bonus AD ratio reduced to 35% bonus AD from 40%.
• Umbral Trespass

11.23

• The Darkin Scythe
• Bug Fix: Now properly displays its transformation status in the allied chat when the portrait is pinged.

11.22

• Reaping Slash
• Darkin Slayer bonus AD ratio increased to 5.5% per 100 bonus AD from 4%.
• Umbral Trespass
• Darkin Slayer base damage increased to 15% of target's maximum health from 10%.
• Darkin Slayer base heal increased to 10.5% of target's maximum health from 7%.

11.20

• General
• Adjusted splash artwork for Nightbringer Kayn and Prestige Nightbringer Kayn.
• Blade's Reach
• Bug Fix: Fixed a bug where Shadow Assassin would only receive half of local tower gold if his living shadow was active and in range.

11.17

• The Darkin Scythe
• Shadow Assassin bonus damage reduced to 8% to 30% from 12% to 44%.

11.15

• The Darkin Scythe
• Bug Fix: Global transformation SFX now plays for both allies and enemies.
• Bug Fix: Transformation SFX is now stereo for the local player.
• Blade's Reach
• Bug Fix: On-hit SFX is now form-specific.
• Shadow Step
• Bug Fix: Fixed a bug where the SFX made a popping noise when it looped.
• Original Kayn
• Bug Fix: Recall SFX is now form-specific.
• Odyssey Kayn
• Bug Fix:

11.13

• Blade's Reach
• New Effect: VFX is now revealed when cast within terrain towards enemy champions.
• Umbral Trespass
• Bug Fix: Now correctly cancels early if stunned during the channel.

11.9

• Reaping Slash
• Darkin Slayer AD ratio increased to 65% AD from 55% AD.

11.5

• General
• Undocumented: Kayn's non-classic skins' base-form portraits will no longer appear on the scoreboard for all players.

11.1

• Stats
• Base magic resistance reduced to 32 from 32.1.

10.25

• Stats
• Base armor increased to 38 from 35.
• Reaping Slash
• Base damage increased to 75 to 155 from 65 to 145.
• Stats
• Base armor reduced to 35 from 38.
• Reaping Slash
• Cooldown increased to 7 to 5 seconds from 6 to 4.
• Base damage reduced to 65 to 145 from 75 to 155.

10.20

• Odyssey Kayn
• Bug Fix: Fixed a bug where he would expand and shrink when an enemy player highlighted him.

10.12

• Blade's Reach
• Bug Fix: No longer able to cast globally to all enemies on the map.

10.10

• The Darkin Scythe
• Darkin Slayer heal reduced to 30% to 40% from 34.5% to 43%.

10.9

• Reaping Slash
• Cooldown reduced to 6 to 4 seconds from 7 to 5.
• New Effect: Bonus damage now applies to minions.
• Undocumented: Rhaast capped damage no longer also considers the bonus damage.
• Blade's Reach
• Slow increased to 90% from 70%.

10.6

• Blade's Reach
• Bug Fix: Can no longer self-cast to damage units globally.
• General
• Recommended items updated.
• The Darkin Scythe
• Orb gain rate changed to 3;3+(10-3)/8*(x-1) for 6; then + (10-3)/8*x*1.15 from 3;3 to 10.
• Blade's Reach
• Undocumented: If self-casted, Blade's Reach now hits all units globally, instead of only up to 4500 units away.

10.5

• The Darkin Scythe
• Orb gain rate changed to 3;3 to 10 from 3;6;10.
• Blade's Reach
• Slow strength increased to 70% from 60%.

10.3

• The Darkin Scythe
• Bug Fix: Fixed a bug where he could select neither form if he died damaging both a ranged and a melee champion when the orb count for both forms were within 8% of each other.

9.21

• Reaping Slash
• Base damage increased to 75 to 155 from 60 to 140.
• Darkin Slayer AD ratio increased to 55% AD from 50% AD.
• Bonus damage against monsters reduced to 40 from 55.
• Blade's Reach A
• Bug Fix: Having the living shadow from Shadow Assassin Blade's Reach stand on the Eye of the Herald no longer has that non-champion entity pick it up.

9.15

• Umbral Trespass
• Bug Fix: Now properly goes on cooldown if the target dies while he has infested them.