There is only so much we can do against our circumstances, both here and in our own worlds. Finding a reason to keep surviving them is key.

[Even if he's only recently found his own reasons, ones he's actually satisfied with and not merely grasping at out of desperation. His eyes flick back to the stone as Pratt handles it, his voice still quiet as he answers.]

It's a glyph. That sigil there is for abjuration, and those for the various elements one might encounter in nature. And the platforms encircling them, along with the inscription there in that outer circle -- they dictate what the glyph should do when activated. In this case, forming a barrier.