well if you give sephiroth all his powers he's a rock hard guy, a huge selection of powers, including power to alter the flow of time, unholy strength, incredible reflexes, healing powers, flying, teleportation which he uss to evade attacks a appear behind his enemies.....the list goes on, but wolverine has regen, and some nastly claws 馃檪 i love em both
Anyway, Sephiroth manipulates the life stream to bring himself a Master Summon materia, and promptly unleashes Bahamut ZERO, and Knights of The Round on Wolverine.
He then takes a nap in the northern crater, and waits until the two summon animations finish.
When he comes back, he has a pretty Adamantium statue waiting for him.