บท 39: What are you?

I was looking at a glowing crystal after finishing the talk with an excited Vice Admiral over what had just occurred.

After the implosion of the dungeon monolith, there were many hunter soldiers that were badly injured, and I was able to see the versatility of my recently learned skill, [Guardian's Light]

When I directed this skill to the injured soldiers, whether it was a light scratch or deep wounds, they all began to heal in a few seconds before becoming as good as new. A few guards that were near death were also stabilized and brought back to health in a few seconds

The next hour after that was the most tiring time I had gone through these past few days. The first point was the only thing that was left behind as the dungeon disappeared. Information about its name was the only thing I could observe, everything else was unreadable. [Plane Crystal- <[*-_&<+>?}{>]$@}+@}]])@+}@<%]

A plane crystal...what are you and how can you be used?