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
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
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
Range: 400
Kayn gains 40% movement speed and the ability to walk through terrain for 7/7.5/8/8.5/9 seconds. When he first enters terrain, he is healed for 100/115/130/145/160 (+0.4).Shadow Assassin: Cooldown is set to n seconds, 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
Range: 550
Kayn infests an enemy champion he has recently damaged, becoming untargetable for up to n seconds. Reactivate to end this effect early. When Umbral Trespass ends, the target takes physical damage. Shadow Assassin: Gains extra range (both when entering and exiting Kayn's victim) and refreshes The Darkin Scythe on exit.Darkin: Deals percent maximum health damage and heals for a percentage of target maximum health.