A century old prophecy dictates the rest of their life. Willing or not, they'll have to get married and give birth to the next savior of the wizarding world. Harry / Severus mpreg. unfinished repost of an old fic.

a dying baby abandoned in the Forbidden Forrest, brought up by magical creatures, returned to the wizarding world years later to become one Severus Snape... but not really as we know him…