With only one point of entry at ground level and even the air being mostly closed off, this entire region was perhaps the most well-protected area on the planet.
The arching rock walls provided protection from all sides but one and the lights illuminated everything inside.
Hao Xuan gestured towards the light orbs, "What are they?"
"Crystals. This is the only place they can be found," Helena explained without even meeting his gaze but Hao Xuan could tell from her tone of voice that she did not know much about it or wasn't willing to part with the information so he didn't push.
They started walking down the stone stairway that was etched out of the rock wall. Hao Xuan didn't think it was quite so long but even after 10 minutes of walking, they had only reached halfway. Just when he thought it was going to end there would be another twist or turn and it would continue.