See. Seek. Kill.
Burst damage and target access
Champions, large minions, and large monsters drop soul essence on death. Touch souls to absorb them and deal bonus adaptive damage on your next attack based on total soul essence collected.
Gain a burst of Lethality and Magic Penetration after using a dash, leap, blink, teleport, or on leaving stealth.
Collect eyeballs for champion and ward takedowns. Gain permanent AD or AP, Adaptive for each eyeball plus bonus upon collection completion.
Heal for a percentage of damage dealt with your abilities. Increases with each unique takedown.
9% attack speed, 9 ability power or 5 attack damage
Takedowns restore health and grant bonus gold.
Deal 7% more damage to low health champions. Gain AD/AP after kills or assists.
Dark Harvest's ability to stack damage infinitely and sale with kills pairs well with Shadow Assassin.
Kayn is one of the biggest abusers of Sudden Impact as simply casting [Q} will grant you Lethality.
The name of the game here is damage and snowballing. Eyeball Collection is all about damage.
Because Kayn likes to duel and spam his abilities, Ravenous Hunter provides a lot of extra healing in those fights.
The execution play style of Shadow Assassin paisr nicely with Triumph's healing and bonus gold.
Kill kill kill. Coup De Grace promotes ending your target's life ASAP and Shadow Kayn is all about that.