Each of Yorick's basic abilities allow him to summon a ghoul possessing the following characteristics:
- The ghouls will immediately try to attack the closest enemy champion to them and won't stop following and attacking them until they die.
- If targeted onto a minion or monster and no enemy champion is nearby, the ghouls will continue to attack that target.
- If no enemy targets remain, the ghouls will follow Yorick until an enemy comes into range.
- The ghouls' total health and attack damage is equal to 35% of Yorick's total health and attack damage.
- The ghouls' health is reduced by 20% of their max health every second. This limits their max duration to 5 seconds.
- The ghouls' basic attacks deal physical damage and benefit from Yorick's armor penetration.
- Their base attack speed is 0.670 and does not increase by level.
- Yorick's ghouls can attack a maximum of 3 times during their life span.
- The ghouls take 50% reduced damage from AoE spells and are immune to slows.
- They have a base 10 armor and magic resistance plus 2 per level of Yorick.
- Their movement speed is depending on Yorick's level.
- Multiple ghouls of the same type cannot coexist. When a ghoul of the same type is summoned the previous one will disappear.
- The ghouls are classified as allied minions for all intents and purposes, including turret targeting priority.
- The ghouls do not award any gold or experience when killed.
- However, killing a ghoul will award the bonus gold from Loaded Dice Loaded Dice, Hawkshot, or Parrrley.
- Killing a ghoul will award a stack for 维迦的Baleful Strike Baleful Strike, 内瑟斯的Siphoning Strike Siphoning Strike, and 赛恩的 Enrage. , ,
- Yorick's ghouls can trigger traps such as Jack In The Box Jack In The Box, Noxious Trap, Bushwhack, etc.
| Unholy Covenant|
|(Innate): Yorick takes 5% less damage and his basic attacks deal 5% more damage for each summon that is active.|
|Unholy Covenant is a passive ability, causing Yorick to deal more damage with his autoattacks and reduce incoming damage by a percentage. The strength of this effect is determined by the number of summoned units from Yorick's champion abilities that are currently active.|
| Omen of War|
Omen of War
|(Active): Yorick enhances his next standard attack in the next 10 seconds to deal bonus physical damage. This enhanced attack summons a Spectral Ghoul once it hits.
The Spectral Ghoul deals more damage and moves faster than the rest of the ghouls. While the ghoul is active, Yorick moves faster as well.
Cooldown: 9 / 8 / 7 / 6 / 5 seconds
Total Physical Damage: 30 / 60 / 90 / 120 / 150 (+1.2 per attack damage)
Ghoul Extra Attack Damage: 8 / 16 / 24 / 32 / 40
Bonus Movement Speed: 15 / 20 / 25 / 30 / 35 %
| Omen of War is an autoattack modifier that causes Yorick's next autoattack within 10 seconds to deal bonus physical damage. In addition, a Spectral Ghoul is summoned that has a bonus to its attack damage, and increased movement speed. While the ghoul is alive, Yorick gains the same movement speed bonus.
| Omen of Pestilence|
Omen of Pestilence
|(Active): Yorick summons a Decaying Ghoul at a target location, dealing magic damage and slowing enemies on the area for 1.5 seconds. While the Decaying Ghoul remains alive enemies near it are slowed.
Cost: 55 / 60 / 65 / 70 / 75 mana
Magic Damage: 60 / 95 / 130 / 165 / 200 (+1.0 per ability power)
Initial Slow: 20 / 25 / 30 / 35 / 40 %
Ghoul Ongoing Slow: 10 / 12.5 / 15 / 17.5 / 20 %
| Omen of Pestilence is a ground targeted area of effect ability that deals magic damage and slows enemy units in the target area. In addition, a Decaying Ghoul is summoned at the target location that has an aura effect, slowing nearby enemy units.
| Omen of Famine|
Omen of Famine
|(Active): Yorick deals magic damage to a single target and heals for 40% of the damage dealt. A Ravenous Ghoul is summoned behind the target and it will heal Yorick for the damage it deals.
Cost: 55 / 60 / 65 / 70 / 75 mana
Cooldown: 10 / 9 / 8 / 7 / 6 seconds
Magic Damage: 55 / 85 / 115 / 145 / 175 (+1.0 per bonus attack damage)
| Omen of Famine is a targeted ability that deals magic damage to a target enemy unit and heals Yorick for a percentage of the damage dealt. In addition a Ravenous Ghoul is deployed at the target's location, healing Yorick for all of the damage it deals from its attacks.
| Omen of Death|
Omen of Death
|(Active): Yorick conjures a revenant in the image of one of his allies that will have a percentage of their max health and attack damage. The revenant lasts for up to 10 seconds. If his ally dies while its revenant is alive, the revenant sacrifices itself to reanimate them temporarily by restoring them to full health and give them time to enact vengeance. The reanimation will last for up to 10 seconds. During this time, the ally can use all of his abilities.
Cooldown: 120 / 105 / 90 seconds
Health Percentage: 50% / 75% / 100%
Damage Percentage: 45% / 60% / 75%
| Omen of Death is a targeted ability that marks a target ally champion, creating an image pet of the target that lasts for up to 10 seconds. Yorick may directly control this pet to move and attack. If the marked champion dies and the clone is still alive, the clone fully heals and the ally champion takes control of the clone for up to 10 seconds. While the ally is in control of the clone, they can move, attack and use their abilities but cannot use summoner spells and item actives.