Tactical Warfare Dual Domain

All the villagers in the mysterious boy's village were killed, his father's inexplicable last words, the responsibilities of the warlock family, the three calamities of life and death in the future, partners on the road to revenge... Facing enemies that attack again and again, protection and struggle again and again, the battle between ancient magic and modern technology, what will the boy do in the face of these tests? These stories will all unfold on this continent divided into two realms...