Split push dueling and lane pressure.
Improved attacks and sustained damage
Attacking a champion 3 times will expose them, dealing bonus damage and causing them to take more damage from all sources for 6 seconds.
Takedowns restore health and grant bonus gold.
Takedowns on enemies grant permanent Attack Speed.
Deal 7% more damage to low health champions. Gain AD/AP after kills or assists.
+18% Attack Speed
Periodically your next ability used has its mana or energy cost refunded and restores some of your missing mana or energy.
Gain 10% CDR when you reach level 10. Excess CDR becomes AP or AD, Adaptive.
Press the Attack on Kayle allows you to massively empower your damage in long trades where you're able to get a lot of auto attacks in on your opponent.
Triumph is the best rune choice in this group. The healing on a kill lets you pop [R] when low and come out the other side healthy enough to keep fighting.
More Attack Speed simple means more autos while [E] is up. Solid choice in all situations.
If you're playing into a number of champions will reliable hard CC, Tenacity might be a better option. here.
End your enemies life as quickly as possible, especially squishies.
If playing into a number of big tanks, Cut Down is likely a better option here.
Manaflow Band allows you to trade with your enemy lane opponent and out-sustain them thanks to your ability to sustain mana with your cost mana-cost [W] heal.
Transcendence grants Kayle the mid-game CDR necessary to keep your [E] up at all times. The extra bit of CDR also puts your [R] on a very short cooldown.