Maledictum

The Maledictum was a ancient stone or key to the chaos forces. The Maledictum's appearance was in warhammer 40'000: dawn of war game. There was a choas daemon imprisoned inside the maledictum, and it is found out in the game that the Eldar imprisoned the daemon inside the stone. In the last mission of dawn of war when tartarus is mostly molten the space marines, eldar and chaos battled for the maledictum. The space marines won hence Gabriel Angelos detroying the maledictum hence releasing or destroying the daemon inside.