Considering the worldview he and the people around him have, most certainly. The way they explain many of the ways of the world is steeped in spirits and demons, deities and omens, etc. Although that's a bit of a cheat, so... While they're not entirely developed yet, Sak will have a few encounters with more substantial supernatural experiences, like being visited by a visage or ghost of his mother and father at some of his lowest points. His father was also a shaman, and that spiritual sensitivity does pass down, though for Sakara it's more acute compared to his little brother, whose ability is leading him to train as a healer.