Warhammer 40k Boarding Actions - Terrain Set [PRE-OWNED]Pre Owned item. Sealed in factory seal. Boarding Actions introduces rules for tightly fought games of Warhammer 40,000 that recreate oppressive assaults on the claustrophobic confines of voidcraft and space hulks. It's a fresh way to play Warhammer 40,000 using your existing collections. This hugely modular Boarding Actions Terrain Set includes everything you need to set up this pulse pounding game mode, including detailed corridor walls, hatchway