The Lair of the Tyrant Into the Nightmare Realm campaign book by Games Workshop is specifically designed for Warhammer 40K enthusiasts who are fans of Chaos Space Marines, particularly the Red Corsairs chapter. Set in the Warhammer 40K universe, this book takes players on an immersive journey through the chaotic and twisted realms of the Red Corsairs, offering a unique and intense gameplay experience. With brand new and sealed miniatures included, players can delve into the sinister world of the Chaos Space Marines and face off against their enemies in the treacherous Nightmare Realm.