The Red Angel was created during the opening days of the Horus Heresy by possessing the body of Brother Meros, an Apothecary Minorius (a junior medicae) who served in the Blood Angels Legion's 9th Company under the command of Captain Furio during the Great Crusade and Horus Heresy. Initially, Meros was a simple line-Astartes of solid, if unremarkable service. But later on, during the opening days of the Heresy, his fate would become inextricably intertwined with that of his Legion and his Primarch Sanguinius during the Signus Campaign. It is said that Horus hated and feared Sanguinius more than any of his brothers and wove many strategies to ensnare or slay him, though all failed. In an effort to weaken and divide the Loyalist forces, the Warmaster charged the Blood Angels Legion with the