Satan Soul: Mirajane Seilah (ミラジェーン・セイラ Mirajēn Seira) is a Satan Soul Spell.
In this form, the user gains an appearance almost exactly like Seilah's, receiving two large gold-looking horns protruding from the sides of her head and pointing upwards. Their hair becomes long and black, with a distinctive short, upward ponytail. They wear a white band on their head which separates their hair, framing her bangs from her hair below the band. On the forehead is a small circular symbol with a small dot on the inside and surrounded by several dots around the top, and they wear a tied, small white-colored strap around their neck.
The user's attire is a very revealing beige-colored leopard-printed kimono that bears the decorative marks on her shoulders. The kimono is wrapped around their torso with a thick, decorative yellow ribbon that ties behind their back, and they also wear thigh-high socks that reveal their heels and toes.
Macro (命令 Makuro): While employing this form the user can use Seilah's signature Curse: Macro. This allows them to fully control the body of victims and manipulate them through "orders", as shown when Mirajane ordered a group of soldiers to fall asleep.  There seems to be a limit to the number of people who can simultaneously be affected by the Curse, as some ignored said order.
- ↑ 1.0 1.1 1.2 Fairy Tail Manga: Chapter 456, Page 9
- ↑ Fairy Tail Manga: Chapter 456, Page 10
- ↑ Fairy Tail Manga: Chapter 456, Page 11
|Partial Take Overs||Animal Soul: Bunny • Animal Soul: Cat • Animal Soul: Harpy • Animal Soul: Nine-Tailed Fox • Animal Soul: Mermaid • Animal Soul: Snake • Animal Soul: Wings|
|Full-Body Take Overs||Animal Soul: Bird • Animal Soul: Fish • Animal Soul: Penguin • Animal Soul: Pig • Animal Soul: Rabbit|
|Partial Take Overs||Beast Arm: Black Bull • Beast Arm: Iron Bull • Beast Arm: Jet Black Sword • Beast Arm: Reptile • Beast Arm: Stone Bull • Beast Soul: Bear|
|Full-Body Take Overs||Beast Soul • Beast Soul: Ape • Beast Soul: Belcusas • Beast Soul: Lizardman • Beast Soul: Sand Beast • Beast Soul: Werelion • Beast Soul: Weretiger|
|Full-Body Take Overs||God Soul: Chronos|
|Full-Body Take Overs||Battle Suit|
|Full-Body Take Overs||Satan Soul • Satan Soul: Halphas • Satan Soul: Mirajane Alegria • Satan Soul: Mirajane Seilah • Satan Soul: Sitri|
|Lisanna's Spells||Animal Soul: Armadillo • Animal Soul: Owl|