Apollo was a primary school student who was involved in the future with his friends in a time rift created by people from the future. They were drafted into the army and managed to return to the present after several battles. In the real world, the characters in the computer game were kicked down by a player named FOV after losing the game and fell out of the computer. They began to cause chaos in reality, and the mutated monster Zerg from the future also came to reality, causing reality to fall into chaos. Apollo and others decided to restore world peace. In order to use the powerful Frostmourne, Apollo signed a death contract with the Lich King Ner'zhul, gaining powerful power and becoming an undead tribe. Apollo decided to eliminate the invaders other than the undead. Finally defeated the enemy's leader - the insect...