Ragemoor

"From the creators of Mutant World! Ragemoor! A living castle, nurtured on pagan blood, harborer to deadly monsters! A fortress possessed of its own will and ability to change itself, with the power to add and destroy rooms and to grow without the help from any human hand. Its servants aren't human, it's origins Lovecraftian, and its keeper must fend off the castle walls from the terrible race of worm men! Collects the four-issue miniseries. "