A jagged pit breaks open across a slab of red-brown rock, its cracked edges peeling back to reveal a cluster of angular crystals glowing with cold blue energy deep in the shaft. The stone is sculpted with sharp fractures and stylized fantasy detailing.

This terrain feature drops straight into a dungeon floor, cavern, or wasteland board as a hazard or magical focal point. Use it as a trap, a portal, or a set piece to give a fantasy tabletop battlefield an instant point of interest.