The Clotted Scrolls is a legendary tome and artefact of Chaos said to have been penned by the Primarch Angron of the World Eaters Traitor Legion before he was consumed by the increasing berzerker rages of his later life.
- Imperium Nihilus - Vigilus Defiant (8th Edition), pg. 172
- Codex Heretic Astartes - Chaos Space Marines (8th Edition) (Revised Codex), pg. 92