: Previous rules from Warzone Octarius: Book 1 and Psychic Awakening: Pariah are no longer valid for official play.
For the tabletop wargame, Gregor Eisenhorn's rules have transitioned through several updates rather than a single "1.3" codex: eisenhorn-xenos-codex-update-1-3
: Eisenhorn is currently found in the Imperial Agents Faction Pack (updated April 2026) available on Warhammer Community . : Previous rules from Warzone Octarius: Book 1
: Over 1,000 changes, including the ability to rotate the Grand Strategist view and a major increase in conviction point availability. 2. Tabletop Rules & Codex Status - News - Warhammer 40000 - Rogue Trader
There are several unofficial or fan-made "Ordo Xenos" codexes hosted on sites like , such as the Ordo Xenos Codex: Inquisitor Edition , which often use version numbering like "1.3" to track internal balance changes for fan-made campaigns. Update 1.3 is live! - News - Warhammer 40000 - Rogue Trader