It serves as a "library of record" for historical community consensus, leaked playtest rules, and army building advice.
“Until the steel rusts,” Kaelen said. “Or until the Emperor rises from the Throne to judge us.” horus heresy pdf 4plebs
Please provide more details if there's a specific aspect of the Horus Heresy or a particular PDF you're interested in, and I'll do my best to guide you! It serves as a "library of record" for