From publisher blurb:
A young woman visiting her homeland manifests her mutant abilities and saves her hometown from a devastating hurricane. The strain left her unconscious, but rumors quickly spread about the girl touched by the spirits. So strong was their belief that the girl did, in fact become touched by a great power.
Now armed with the magics of an Orisha along with her own mutant powers and a strong dedication to helping others, the woman has become a living tempest, overseer of the waters, and authority over life and death. She is OYA and she is here defend humanity from disaster and evil!