Gain 10% CDR when you reach level 10. Excess CDR becomes AP or AD, Adaptive.
Offense
+9% Attack Speed
Flex
+6 AD or 10 AP
Defense
+5 Armor or 6 MR (match-up)
WhyLethal Tempo
Lethal Tempo makes Kayle a late-game dueling powerhouse, able to pump out an insane amount of auto attacks on 3+ items.
WhyTriumph
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.
WhyLegend: Alacrity
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.
WhyCoup De Grace
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.
WhyManaflow Band
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.
WhyTranscendence
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.
