Thanks to a special Final Fantasy VII collaboration event for Mobius Final Fantasy, players can now play as Sephiroth. Yep, the silver haired villain can be yours in a couple of different heroes.

The image above has Sephiroth doing his best "I can be your angle....or yuor devil" impersonation. In reality, or in fantasy, the left one is him as the "Ultimate Hero" and the right one is him as the "Hero of Despair."
YouTube videos.

The following in-game content and bonuses will be available to players throughout February and March:

This event is called "Fatal Calling Part 1" and it's slated to run until March 31.