In ancient times, the Orc tribe of noble bloodline on the Hes Plateau in the west was tempted by the mad blood of the god of destruction, Kagaras. Their leader, King Grom and his people became a group of bloodthirsty servants. Under the instigation of the high priest Guldan, the orcs began a barbaric attack on the Huaxia continent in the east.
Under the leadership of the great god Xuanyuan, the humans in the east, after the battle of Changyang Mountain, Emperor Huang successfully beheaded King Grom and buried it under the Changyang Mountain. The captured Orc soldiers were then detained in the Taodu Mountain prison for a sentence of three thousand years.