Army construction changes substantially in 9th Edition. The key core concept of detachments remains from 8th, but how they're used is flipped on its head and some of them see significant changes.
WARHAMMER 40,000 CORE RULES Warhammer 40,000 puts you in command of an army of mighty warriors and war machines as you battle for supremacy in the grim darkness of the far future.
Rules in 9th Edition will help to get stuff into combat. 8 Edition (old, not obsolete) (0). 7th Edition Warhammer 40k Rules. Wargaming web-store with low prices, speedy delivery and excellent customer service. The game is currently in its 9th edition. And we chatted for a long time. What is the GeekBench score?