He also became general to Genghis Khan. Belgutei was considered a wise counselor and skilled diplomat, and was often used as a messenger by Genghis Khan. With Genghis Khan's blessing, Belgutei killed the champion wrestler of the Mongols, Buri Boko, by breaking his neck during a wrestling match.
Belgutei advanced to become the top authority under Genghis Khan. He was viewed as a wise and skilled mediator, often acting as a messenger for Genghis Khan. With Genghis Khan's permission, Belgutei eliminated the Mongol wrestling champion, Buri Boko, by suffocating him during a contest.