Prvá battlepack zo série Eternal War, obsahuje celkom 60 kariet (20 kariet po troch kusoch).

In Days of Blood, the cycle 's new strategies arrive to the front lines with a deafening roar. The new Ambush and Raider keywords allow players to surprise their enemies and gain wealth from the bodies of the fallen. Days of Blood features multiple units with each of the keywords. The Battle Pack 's sixty cards (three copies each of twenty individual cards) also include a Dark Elf legiend filled with Hatred, two Fortifications, powerful new tactics, and a veteran Empire Knight who benefits from his combat experience.

It will be first expansion to Warhammer: Invasion to benefit from a new mechanic for "experience." While nearly all of the new units from the Eternal War cycle share abilities that lend Emphasis to the Battlefield phase, some units gain experience to fuel increasingly powerful abilities every time they attack. I>