Yorick throws a globule of Black Mist that deals 15% of enemy's current Health as magic damage (minimum 70/105/140/175/210 (+70% bonus Ability Power)), slows by 30% for 2 seconds, and marks champions and monsters for 4 seconds.
Marked enemies continuously Awaken nearby graves (but not exceeding the maximum of 4) and take 40% increased damage from up to 8 attacks by Mist Walkers.
Yorick and his summoned units gain 20% Move Speed toward the mark. Mist Walkers will leap once at marked enemies that get away from them, dealing 100% damage on that attack.
Yorick and his minions are hasted by 20% while moving toward the mark.