One of his greatest accomplishments was winning the Battle of the Badger Mouth, while another victory saw him ferociously smash the Khwarezmi empire and destroy their capitals of Urgench and Samarkand.
One story about this man says that he killed his half-brother with a bow and arrow after that man, Bekhter, stole his hunting spoils. He was served by a general known as the "Arrow," who led this man's military campaign against the Kara-Khitan region. One of his greatest accomplishments was winning the Battle of the Badger Mouth, while another victory saw him ferociously smash the Khwarezmi empire and destroy their capitals of Urgench and Samarkand. Another story says that he ordered that his son Jochi be poisoned to allow the more reliable son Ogedei to serve as successor. For 10 points, name this man who had the real name of Temujin, the founder of the Mongol Empire who was later succeeded by grandson Kublai.
One story about this man says that he killed his half-brother with a bow and arrow after that man, Bekhter, stole his hunting spoils.
{Genghis} Khan [accept {Temujin} until mentioned]