Originally a member of the World Eaters, Lheor had been a Centurion of the 50th Heavy Support Company. After the end of the Heresy and the Battle of Skalathrax, Lheor commanded a small warband of World Eaters known as the Fifteen Fangs which eventually allied itself with Falkus Kibre. Lheor and Kibre, along with Thousand Sons warband leader Iskandar Khayon, sought out the Vengeful Spirit and Ezekyle Abaddon to turn the tide against the Emperor's Children.[1a]
After discovering the location of the Vengeful Spirit and allying with Abaddon's newly formed Black Legion, Lheor and the World Eaters Sergeant Ugrivian led their forces in the Battle of Harmony against the Emperor's Children. Upon being confronted with a clone of Horus on Fabius Bile's flagship Fleshmarket, Lheor and his forces tried to put up a fight but were quickly massacred.[1b] Lheor survived, and was later seen fighting in the 7th Black Crusade on Mackan.[1b] Khayon states that Lheor died during the fighting on Mackan.
- 1: Talon of Horus (Novel)
- 2: Black Legion (Novel) Chapter 5