Nichrom is the 10th priest of the Patch tribe, in the Anime he first appears in episode 50. Nichrom became the 10th priest after his brother, Chrom the previous 10th priest, was killed by Ren. In the manga, Nichrom was able to kill Ren who was later revived by Iron Maiden Jeanne. Also Nichrom joins up with Hao. What has surprised most fans is Nichrom's age, since it has been stated that he was eight when he joined the Patch tribe. His spirit is a scorpion named Yellow Whip, with his medium being a scorpion's tail. His and his brother's plant is most likely the cave. He stated in volume 17 of the manga that he is a Vegetarian.

(Source: Wikipedia)