The story follows four protagonists from different worlds: Zhao Jincheng, Yang Guanghui, Li Siting, and Yang Tao. Chosen by the Four Great Vajra Clans on the otherworldly planet of Terranos, they become the key force in resisting an alien invasion. By summoning heroes with cards and learning combat techniques, they bravely face challenges and grow into true heroes. In the midst of fierce battles, they not only defend the planet but also uncover the cosmic secrets hidden behind the war.
