Mortal Kombat Defenders of the Realm Episode 8 - The Secret of Quan-Chi Episode Title:The Secret of Quan-Chi.Episode Description:Quan Chi (hyphenated in the episode title) comes upon the gem of Tetsurri, a magic crystal with which he is able to awaken all the evil in a human soul. Using it, the sorcerer, in disguise as a refugee fleeing Outworld, influences the Earth Warriors and causes them to turn against each other. The Earth is now out of any defense, and would be conquered by Quan Chi, if not for Nightwolf, who escaped the crystal's influence. It is Nightwolf who destroys the evil crystal and ruins Quan Chi's black magic.