: Sets rules for forming alliances, treaties, and determining realm colors and home grounds. 2. Warhammer 40,000 (Historical & Fan-Proposed)
Since "Codex Imperium" is not a single, universally famous standalone book, it usually refers to one of two very different things in niche communities. Most commonly, it refers to a popular fan-made lore compendium for , or occasionally a rare historical text. codex imperium pdf