Fairy Tail Manga Volume 10

 SHADOWS OF THE PAST

 
Erza Scarlet is the most kick-butt woman wizard in Fairy Tail, but in the past this indomitable fighter was . . . a slave? Now she finds out that her old companions have completed the evil device they were forced to build while held in slavery: the Tower of Heaven. What’s more, their wicked master requires a sacrifice: Erza!
 
Includes special extras after the story!

 Date Release: March 23, 2010