The teleport put them directly in the middle of a massive field of squares, carved rigidly on the ground in all directions. This cavern was far too massive to have been shaped naturally, though not so large as for its ends to be beyond the limits of sight. A sourceless light illuminated it all, though the only features of note were that pattern of squares and a mighty tower far ahead of them, stretching from floor to ceiling.

Beneath them, the squares they stood on shone brilliantly.