Seith Magic (セイズ魔法 Seizu Mahō) is a Caster Type magic.
Seith Magic is a type of magic that deals directly with trapping wandering souls to manipulate them, and so far there is only two known variations of Seith Magic. The first known variation is called Human Possession and it deals with trapping wandering souls inside objects to manipulate them as the user wishes. Bickslow utilizes this this magic by trapping souls into dolls, and uses them for various purposes such as attack, defense and transportation. Another known variation is called Animal Possession and it deals with with trapping animal souls inside the user's body to use when ever he/she wishes. Nab Lasaro uses this variation in order to do battle with others 
- ↑ Fairy Tail Manga: Chapter 108, Cover
- ↑ Fairy Tail Manga: Chapter 106, Page 12
- ↑ Fairy Tail Manga: Chapter 110, Pages 10-11
- ↑ Fairy Tail Manga: Chapter 203, Page 10
- ↑ Fairy Tail Manga: Chapter 35, Page 1