Pattern and Syl are the two spren featured prominently in Words of Radiance. They are distinctly different spren, representing different manifestations of human beliefs. Compare and contrast what these two spren represent and the ways in which they interact with and influence their humans.

How does Brandon Sanderson create a fantasy world in Words of Radiance, and how do the fantastical elements contribute to character development?

How do characters in the novel react to The Construction of Personal Reality as they adapt to their surroundings and changing beliefs of the world and their roles in it?