The 9th Edition introduced several high-profile models and updated lore: Lord Solar Leontus
The elite Kasrkin returned with a "Warrior Elite" rule that, when combined with specific stratagems, could output devastating amounts of mortal wounds in a single shooting phase. Legacy of the 9th Edition Codex Astra Militarum 9th Edition Codex Anyflip
Because 10th Edition is out, 9th Edition codexes are now incredibly cheap on eBay, Facebook Marketplace, or local game store bargain bins. You can often pick up the Astra Militarum codex for $20-$30 USD. It won't flip on a screen, but it smells of incense and holy paper. The 9th Edition introduced several high-profile models and