One Piece OP-12 Legacy of the Master Booster BoxEach box contains 24 packs. Booster packs contain 12 random cards. This product features the bond between master and disciple! The passionate relationship between such characters as Sanji and Zeff, depicted in the original work, has been reflected in cards! Includes Six Leaders with New Effects! Focused on attribute and event driven decks, these Leader cards offer a unique strategic twist on traditional gameplay! New and Existing Cards Can Be Combined