The seer's truth

Story between Severus Snape and Theia (OC). She has a special ability. Pissing him off. If only he knew what she could see, and she see's everything, including him naked. Eventually the two fall in love, but after making a pact to never tell anyone of their death, what will shed when she see's his. Can she change his fate in time to save him? M for later chapters.