Grasp of the Undying

Every 4s in combat, your next basic attack on a champion will:Deal bonus magic damage equal to 3.5% of your max healthHeal you for 1.3% of your max healthPermanently increase your health by 5 Ranged Champions: Damage, healing, and permanent health gained are 40% effective.

Tree

Resolve

Row

Keystone

In short

Every 4s your next attack on a champion deals bonus magic damage, heals you, and permanently increases your health.

Patch

16.16.1