As zac, Massive all-in potential with the ability to chain his crowd control abilities with his allies. This makes him a very potent ganker, especially due to how his E works.

He can keep gaining some of his health back in a fight by collecting his W blobs. This makes it very hard for his enemies to kill him easily, which makes focusing him down first quite useless.

His Passive and Ultimate R can allow him to singlehandedly take a group of enemies out of a major team fight, by simply zoning them away. He can also deal a lot of damage to the enemy backline if they ignore Zac. As zac, He can continue to gain part of his health in a fight by collecting his W blobs. This makes it very difficult for his enemies to kill him easily, which makes him concentrate first of all completely useless. His passive and ultimate R can allow him to take on alone a group of enemies of a major team fight, by simply zoning them. He can also inflict a lot of damage to the enemy rear line if they ignore Zac.