Savage Slicer

anima

+10% AD

Attacks hit the target and all adjacent enemies for 30% of Basic Attack Damage. Omnivamp applies 150% to this damage.

Briar Bonus: If this item is equipped on Briar, on cast this effect happens 10 times.

Source

Anima

Savage Slicer enables

On Cast

This effect triggers the instant a unit casts its ability. Items like Lich Bane and Innervating Locket reward you for landing as many casts as possible.
Omnivamp

Heals the source for a percentage of damage dealt (any type).

Savage Slicer scales with

Omnivamp

Heals the source for a percentage of damage dealt (any type).