 The others, however, understand the sacrifice the doctor has made and why.In the evening, the Mongols gather in a circle and organize wrestling matches for entertainment, with Dr. Cartwright watching the spectacle at Tunga Khan's side, as his new concubine.When the lean warrior (Woody Strode) who had been ogling Cartwright all evening steps into the ring to face the winner of a bout, Tunga Khan insists on accepting the challenge himself and breaks the man's neck.