Jxllem is a character in Marvel's Guardians of the Galaxy, who is mentioned in the message A Miracle! written by Ynx Dxllym. Jxllem obviously was severely wounded in a fight with the Chitauri during The Galactic War. His crew eventually met the Church of a gold-skinned Healer in a converted mining ship, where Jxllem was healed physically, but also changed mentally.
Marvel's Guardians of the Galaxy Wiki