ARAM Pick
The first time you take the enemy transport with a Legendary Item you become Kinged, upgrading your item and gaining a random Prismatic Augment.
Champions that take this augment 0
No build uses this augment as a core pick yet. Take it when it fits the game.
Similar Prismatic augments
Rite of AscensionOn takedown, enemy champions leave behind their Essence. Attacking the Essence grants movement speed and resets basic ability cooldowns.
En PassantPeriodically identify Vitals on enemy champions. Hitting them with Attacks or Abilities deals max Health true damage, restores Health, and grants Movement Speed. These effects can 
TotentanzReplace a Summoner Spell with A Dance with Death. A Dance with Death: Blink forward and become Unkillable. Get a takedown within 5 seconds or else YOU DIE.
Empyrean PromiseGain 15% Heal and Shield power. Gain Empyrean Promise as a Summoner Spell. Vigilance Teleport to an ally and grant 100~250 (by level) + 100% AP + 10% bonus health Shield for 3 seco
Mosh MonsterCasting chosen ability grants ? bonus Health and Slows nearby enemies for the duration of chosen ability Getting a takedown permanently increases this effect.
Infinite RecursionGain 60 Ability Haste, plus 3 Ability Haste per takedown.
Fey MagicDamaging with your Ultimate Polymorphs enemies for a few seconds.
Biggest Snowball EverGain 100 Ability Haste on Snowball. Your snowball is BIG and will pass through minions. It Slows, Knocks Up champions, and deals additional damage. If you don't have one, gain a SnBased on patch 26.22 game data. Some values change in game depending on the situation.