Crisis in the Dark Dungeon! Fearsome monsters are trying to break out! Assemble your ultimate team to seal the dungeon and save the world. Deploy your heroes now! The monsters are escaping! Build your own [Squad of Guardians] to seal the dungeon gates once and for all and save the planet! ■ One Drag is All It Takes! Simple Summoning! Just flick your cards onto the dungeon floor to deploy! Build your ultimate deck with simple controls! ■ Merge Heroes for Instant Level-Ups! Match and merge identical cards to level up! Wipe out waves of monsters with upgraded, unstoppable power! ■ Explosive Synergies! Strategic Unit Combos! Mix and match unique factions like Vanguards, Hunters, and Predators to trigger massive synergy buffs! The more you gather, the harder they hit. Time to teach those monsters a lesson! ■ Game-Changing Special Cards! Low on health? Drop a 'First Aid'. Need energy? Cast 'Focus'! Turn the tide of battle with strategic spell cards! ■ Limitless Growth, +99 Hero Upgrades! Unlock powerful traits like Max Stats and Hyper-Summoning! Unlock permanent account perks to conquer the dungeons! Build your ultimate deck and blast away the monster waves! Summon your heroes before it's too late, and seal the dungeon gates!