Satan Soul: Sitri

Satan Soul (サタンソウル Satan Sōru) is a Take Over Spell.

Description
This is Mirajane's most powerful spell, and it allows her to take over the appearance, abilities and powers of a demonic being. When she activates this technique, her clothes are replaced by ones that are more revealing. She grows horns on the side of her head and she also grows a lot more hair. She also grows a pair of claws and dark-colored markings appear on her legs.

Special Features
Enhanced Strength: When employing this demonic form, Mirajane's strength is greatly increased. She managed to defeat Jenny Realight, who was in her battle form, in one hit.