After yanking the knife free, Tessa followed at a distance, waiting for a chance to rush the second Poly. Ted continued to groan pitifully at intervals. The Poly moved on confidently, though the tunnel was pitch-dark. Even Tessa, with her extraordinary night vision, found it difficult going. She tried to remember the passageway she had taken before to the cave with the remains and the portal. This path did not feel the same. It was wider, smoother, and seemed to be sloping uphill rather than down.
For the first time she wondered where the Poly was going and whether it was a good idea to be following.
The tunnel opened into a cavern, dimly lit from above. Tessa recoiled as she saw the human remains littering the floor — skulls, thigh bones and vertebrae all scattered like blocks in a chil
