Shards of A Primarch: Magnus LORE

Banished by the Emperor and avoiding arrest, Magnus disappears. When seen again he had risen to the status of Daemon Prince of Tzeentch. Today we are

Considering the Eldar's limitless potential, why are none as powerful of a Psyker as the Emperor, Magnus, or Malcador? - Quora

Fury of Magnus (The Siege of Terra) by Graham McNeill

Who was the Primarch of the Blood Ravens in Warhammer 40k? - Quora

Magnus the Red, Warhammer 40k Wiki

Mengel Miniatures: REVIEW: The Crimson King

The Price of Ascension and the Purpose of the Primarchs; Or, Why is Jimmy Such a Dick? : r/40kLore

Magnus The Red, Wiki

The Primarchs: Magnus the Red - The Crimson King (Thousand Sons)

thedornianheresy

Character Breakdown: The Crimson King – Birdman's Reviews