Seith Magic (セイズ魔法 Seizu Mahō) is a Caster Type magic used by Bickslow and Nab Lasaro.
This Magic gives the user the ability to seal wandering souls into objects or bodies and manipulate them. So far, there's only been two type of Seith Magic shown in the series, both of which are used by members of Fairy Tail: Human Possession and Animal Possession.
- Possession Magic, which corrupts and directs the will of a living person.
- Figure Eyes, which controls the body, but not the mind of another.
- Human Subordination, which contracts and controls living humans.