The Snows of Obsession — Meyari McFarland

Snow drifted implacably out of the sky. The clear blue sky. Keanu frowned, unsure what ancient magic could have created this pocket of snow in the middle of the jungle. As the others left, Keanu hesitated. And then found himself trapped, his power burning away by the seconds. God or not, the snow would consume him if he didn't figure out what was going on. Keanu was on his own.