Legacy of the Valiant is a Booster Pack. It introduces the "Sylvan" and "Gorgonic" archetypes to the OCG/TCG. Contains more members and support for the "Bujin", "Chronomaly", "Dododo", "Gagaga", "Gogogo", "Ghostrick", "Gravekeeper's", "Monarch", "Number", "Forest", "Rank-Up-Magic", "Plant Princess" and "Zubaba" archetypes and series. The OCG version also contains more members and support for the "Heraldic Beast" and "Chronomaly" archetypes. The TCG version contains more members and support for the "Noble Knight" archetype.