FullMetal Volibear

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I have one question and that is why does he have a cannon on his shoulder?

Maybe when he uses his ult, instead of a lightning coming down on Voli, empowering his attacks with electricity, he'll have new animation that would instead make his cannon shoot down on the enemy he's attacking

{quoted}

shouldnt the name be VoliBot?

Well I was going based off the Full Metal theme Jayce, Rammus & Viktor have