There are few places more treacherous than pools of quicksand save for a sea of quicksand. Those who tread here quickly find that the lust for adventure or coin might leave them with a sinking feeling of despair.
I dream of rain; I dream of gardens in the desert sand
--Sting, Desert Rose
The wastes are cruel, and beneath the desolation they hide many secrets.
The Ocadian Desert is a desolate place. The spirit of the land has been crushed, changing the region from a series of islands with evergreen forests and animals in a shallow sea, to one of the most inhospitable places on the Sphere.
Believable magic, like ordinary physicis, operates according to some invariable laws that always result in some kind of cost or "bounce back". The grater the magic, the more it should cost the character physically, emotionally, and spiritually.