The sword of divinity: Xuan Yuan

The sword Xuan Yuan was made for the Yellow Emperor by immortals with copper from Shoushan Mountain, and later passed on to Emperor Yu of the Xia Dynasty. On one side of the blade were carved the sun, the moon, and the stars; on the other side mountains, rivers, and trees. On one side of the handle, know-how of farming and husbandry was recorded; on the other side, policies of unification were described. Xuan Yuan was a sword of divinity.