He wasn't kidding when he said the name was fitting. The Valley of Prisms was a region where the optical density of the air was not consistent, causing light to bend midair, turning in different directions.
Almost as though the atmosphere was a collection of prisms.
Hence the name of the region.
"Man…" Kane murmured. "Just looking at this place is giving me a headache."
"So this is where the Divine Doctor entered the Beast Domain," Rui remarked, turning back as he glanced towards the Human Domain in the distance. He could see that as the alien-like flora began to grow scarce and peter out into barren land, traces of the touch of humanity could be seen at the horizon.
He turned back and faced the Valley of Prisms with a deep breath. "Let's get going. I'm sure that we'll find some clues."