Contrary to patriarchal custom, Temujin appointed valiant and loyal comrades to key posts, not dubious relatives. His wisdom, nobility and courage thundered throughout the Great Steppe, since he was the ruler of new system of renewed steppe and order. but Temujin had numerous formidable enemies, including his blood brother Jamuka, who was an aristocrat, a keeper of antiquity and advocated for the old heroic way of life. A spark flared up, and a civil war broke out, which swayed for about twenty years.