(which typically ran around 200 pages), the "378" might refer to the broader 7th Edition rulebook or a specific fan-cataloged PDF.
Detachments
"For the Emperor!" Alaric cried, igniting his jump pack. He soared over the gout of promethean fire, his blade trailing blue sparks as he descended like a vengeful comet. space marines 7th edition codex pdf 378
Quick Overview of the 7th Ed Codex
While the Ultramarines have always been the poster boys, 7th Edition gave them a huge edge with expanded Combat Doctrines. Using the Tactical, Assault, or Devastator doctrines allowed for army-wide re-rolls, essentially giving you a "perfect turn" exactly when you needed it. 4. Why It Still Matters (which typically ran around 200 pages), the "378"