The unopposable beast of the gods caused seven years of starvation and destruction on the earth. Working together, Gilgamesh and Enkidu defeated it after binding it with the Chains of Heaven, causing the dark clouds covering the world to fade and saving the land from the flood. Ishtar's reputation was once again crushed, and her fury did not abate. She requested they be put to death for the sin of slaying a beast of the gods with the body of a human. Her request was granted, and Enkidu, created by the gods, was unable to defy the decree.
His title, King of Heroes, is not meant to call him a king who is a hero, but instead implies that he is the king over all heroes. He is mankind's oldest hero, the origin of all myths and model on which heroes are based, so his story is copied within the mythologies of all the countries of the world. The heroes of various myths are derived from his legend, so his Gate of Babylon possesses all of their Noble Phantasms. Though there are numerous kings with titles such as the King of Knights or the King of Conquerors, he is the only one in all of heaven and earth crowned with the title of "King of All Heroes."
Attack Potency: Street level (Caught a giant fish that took over 12 people to catch) | Wall level (Can smash walls and make large holes in thick stone walls) | Wall level physically, Multi-City Block level with Fully Charged: Jajanken Rock (It was compared to an attack from Razor, One-shot Knuckle towards the begininning of their training) | City Block level physically (Comparable to Killua), Multi-City Block level with Fully Charged: Jajanken Rock (Was going to oneshot Morel when bloodlusted) | Small Town level (In this state, he was stated by Pitou to be a threat to Pre-Rose Meruem, and also stomped Neferpitou with ease)
Ultra Instinct (身み勝がっ手ての極ごく意い Migatte no Gokui, lit. "Key of Egoism") is a very rare and highly advanced mental state. It is notorious among the gods for being exceptionally difficult to master, even for them.