27.HARE ...

According to an analysis, X was born on July 19th 3227 BC. He broke out of the place he was born and was raised by the leader of another clan. He killed his arch enemy in the age of ten years. He became the king of the country owned by his enemy. He gave his best teaching in a battlefield to his ardent follower. His lifespan was around 125 years. His dynasty fell due to fraternal killing. X disappeared on February 18th 3102 BC. Identify X.