First Primarch And Commander In Chief Of The Luna Wolves, Later Called Sons Of Horus, Beaten by the Emperor on his Flagship during the Siege of Terra, his soul was obliterated. His corpse was later utterly destroyed by Abaddon the Despoiler

First Primarch Of The Blood Angels, Killed by horus during the battle of terra, His Death Sparked The Black Rage In Each Of The Marines Of The Blood Angels

First Primarch Of The Thousand Sons, Ascended to Daemonhood although his physical body was shattered by Leman Russ. Ruling over the Planet of Sorcerers within the Eye of Terror.

First Primarch Of The Death Guard, Ascended to Daemonhood. Ruling over the Plague Planet within the Eye of Terror And Now Head Sorcerer For The Chaos God Nurgle

First Primarch Of The World Eaters, Ascended to Daemonhood. Led Chaos in the First War for Armageddon. Was defeated and banished back into the Warp by the Grey Knights

First Primarch Of The Night Lords, A Callidus Temple assassin, M'Shen, is thought to have killed him, though it is believed that he let himself be slain.

First Primarch Of The Space Wolves, Disappeared 197 years after the end of the Horus Heresy. Promised the Space Wolves that he would return "for the Wolftime".

First Primarch Of The White Scars, Disappeared 70 years after the end of the Horus Heresy. Believed to be seen following a Dark Eldar Lord through a warp portal into Commorragh, the realm of the Dark Eldar.

First Primarch Of The Iron Warriors, Ascended to Daemonhood. Ruling over a fortress-world, Medrengard, within the Eye of Terror.

First Primarch Of The Emporer's Children, Ascended to Daemonhood. Location unknown, believed to have laid claim to a planet within the Eye of Terror

First And Current Primarch Of The Dark Angels, Disappeared during Luther's betrayal. El'Jonson is believed to have been taken by the 'Watchers in the Dark' to be healed, although there are rumours that he resides within an unreachable chamber within 'The Rock', the Dark Angels home fortress.