New heroes emerge to fight for the future in Guardians: Retribution, the second "Hero Pack" expansion for the Guardians base game. Expand your collection with four new and unique heroes, each with their own distinct set of cards and abilities: Therion is a super-powered mercenary with primal strength. Ryker is a cunning tactician and legendary soldier. Warhead makes use of a nuclear-powered thruster pack to traverse the battlefield and and hit enemies with radioactive attacks. Jupiter is a powerful psychic that relies on telekinesis to manipulate gravity around her enemies. Each hero includes a full power deck and Ultimate card, which can be added to your collection and drafted into new Guardians decks! —description from the publisher