Hollow Radiance 6664since 10.23.1 20 changes
3200g (900g base, 2240g sell)
Immolate: Taking or dealing damage causes you to begin dealing (20 - 40 (based on level) + 1% bonus Health) magic damage per second to nearby enemies (increased by 25% against minions and 150% against monsters) for 3 seconds.Mythic Passive: Grants all other Legendary items 5% Tenacity and Slow Resist.
Active — Active -:
Active — Supercharged: Grants 75% Move Speed towards enemies or enemy turrets for 4 seconds. Once near an enemy (or after 4 seconds) a shockwave is emitted that Slows nearby champions by 40% for 1.5 seconds (90s cooldown).
Builds from: 
Bami's Cinder
Cloth Armor
Negatron Cloak
HealthSpellBlockArmorAuraActiveCooldownReductionSlowNonbootsMovementTenacityAbilityHaste
Click any two patches to compare; the current range is shaded.
− Taking or dealing damage causes you to begin dealing 0 magic damage per second to nearby enemies (increased by 25% against minions) for 3 seconds.
+ Taking or dealing damage causes you to begin dealing magic damage to nearby enemies.
− Killing an enemy deals 0 magic damage in an area around them.
+ Killing an enemy deals magic damage in an area around them.
− Killing an enemy deals magic damage in an area around them.
+ Killing an enemy deals magic damage around them.
− Taking or dealing damage causes you to begin dealing magic damage to nearby enemies.
+ After taking or dealing damage, deal magic damage per second to nearby enemies for 3 seconds.