Lost-From-Motivation
He was the incarnation of everything destruction is, The force itself was his. From Noxus, Destruction followed Whatever he touched turned to dust. Though he felt something, calling him. Danger, destruction he could sense it, though he could sense more than that. Distortions in the natural order of things, The Arcane has had enough it would seem. Things were getting out of hand, So it's sending its Vengeance, in the form of the Avatar of Ruin.