Ultraman: I’m Incredible! Zatanos: I Worked So Hard!

Anyone familiar with Earth's ancient history knew that twenty thousand years ago, the first generation of Spirits of Vengeance had appeared on Earth in massive numbers, as if they had sprung up in clusters. They had been born alongside the rain of fire that fell from the sky. During Earth's weakest era, the first generation of Spirits of Vengeance had become its strongest and most dependable defensive force. The Eternals, one of Earth's two dominant races, had fled into the stars in disgrace.