As sion, His tankiness will be really high during this phase of the game due to his items. That, combined with his W, will make him nearly unkillable and allow him to soak a lot of damage.

A fully maxed out Ultimate R will further bolster his all-in potential and overall damage dealt in the long run. It will be a massive power spike for him as he can secure easy picks with it.

He is terrific during late-game team fights due to his Q and Ultimate R. His effectiveness increases if he manages to find a flank on his enemies or land his Ultimate R on a bunch of enemies clumped together. As sion, Its tankness will be really high during this phase of the game due to its articles. This, combined with its W, will make it almost indestructible and will allow it to absorb a lot of damage. A completely exhausted maximum Ultimate R will further strengthen its all-in-all potential and the overall damage inflicted in the long term. It will be a massive peak of power for it because it can ensure easy choices with it. It is great during the fighting of the team of the end of the game due to its Q and Ultimate R. Its efficiency increases if it manages to find a flank on its enemies or land its Ultimate R on a group of enemies stuck together.