Rivals of Harrowdeep includes the two Warbands previously available in Harrowdeep (Stormcast Eternals - Xandire's Truth Seekers, and the Orruk Warclans - Da Kunnin Krew) and includes each warbands own 32-card deck. Containing each Warbands own full decks, Rivals of Harrowdeep is also ideal for players wanting to jump into the Rivals format of Warhammer Underworlds games.

Warhammer Underworlds miniatures are sold unpainted and feature easy push-fit assembly.