While seeking rare lore is common in the hobby, there are significant risks associated with using unofficial archives:

The Horus Heresy is an epic sci-fi series set 10,000 years before the main Warhammer 40,000 timeline, chronicling a galaxy-spanning civil war. : The series consists of 54 mainline novels and several anthologies, concluding with the Siege of Terra sub-series. : Reviewers from sites like The Clarion

“Kaelen.” The voice was a whisper of static. Varrus, his squad’s vox-operator, crawled from under a wrecked Dreadnought chassis. His helmet was gone. One eye was a ruin. “The Gorgon… I can’t raise him.”