Battles of Legend: Relentless Revenge is a Booster Pack in the Yu-Gi-Oh! Trading Card Game (TCG).
- Includes cards used by Duke Devlin, Sam, Leon von Schroeder, Jaden Yuki, Bastion Misawa, Tyranno Hassleberry, Jesse Anderson, Zane Truesdale, Lucien Grimley, Z-one, Bronk Stone, Vector, Iggy Arlo, and Varis.
- Includes new members and/or support for the "Borrel", "Cyber Dragon", "Galaxy", "Neo-Spacian", "Number", "Photon", "Noble Knight", and "Timelord" archetypes, as well as the Fairy Tale, Railway, and "Topologic" series.
There are 5 cards per pack, 4 Ultra Rares and 1 Secret Rare. The set contains 105 cards: