The Darkin Scythe (Passive)
At one point in the game, Kayn will permanently transform into either a Shadow Assassin or a Darkin.
Reaping Slash (Q)
Cooldown: 7/6.5/6/5.5/5
Cost: 50 Mana
Range: 350
Kayn dashes forward to strike nearby enemies. Both dash and strike deal 60/80/100/120/140 (+0.65) physical damage.Darkin: Deal a percentage of the target's maximum health instead.Deals 55 bonus physical damage to monsters.
Blade's Reach (W)
Cooldown: 13/12/11/10/9
Cost: 60/65/70/75/80 Mana
Range: 700
Kayn deals 90/135/180/225/270 (+1.3) physical damage and slows enemies hit by 60%, decaying over the next 1.5 seconds.Shadow Assassin: Gain extra range and the ability to move during Blade's Reach.Darkin: Gain a knock up.
Shadow Step (E)
Cooldown: 21/19/17/15/13
Cost: 90 Mana
Range: 400
Kayn gains 40% movement speed and the ability to walk through terrain for 5/6/7/8/9 seconds. When he first enters terrain, he is healed for 100/115/130/145/160 (+0.4).Shadow Assassin: Gain more movement speed and slow immunity.Maximum duration in combat with enemy champions: 1.5 seconds.Immobilizing effects and spending more than 1.5 consecutive seconds outside of terrain end Shadow Step immediately.
Umbral Trespass (R)
Cooldown: 120/100/80
Cost: 100 Mana
Range: 550
Kayn infests an enemy champion he has recently damaged, becoming untargetable for up to 2.5 seconds. Reactivate to end this effect early. When Umbral Trespass ends, the target takes 150/250/350 (+1.75) physical damage.Shadow Assassin: Gains extra range and refresh The Darkin Scythe on exit.Darkin: Deals percent maximum health damage and heals for a percentage of target maximum health.