- Large, 100ft. iron gate bars the entryway into a huge underground passage. The Bastion is a path through the upper Underdark, reaching under the Razorback Peaks to <blank> in the Low Divide of Torduum.
- The Bastion also describes the battlements on the surrounding cliffs that defends the gate from outside, in event that creatures from the Underdark break through.
- The geographically safest land route from the Free Lands to Torduum, however dangerous due to the underground tunnels.