Salazar Slytherin woke up in the body of a three year old boy with the most ridiculous head of black hair & a runic scar craved into his forehead. The last thing he recalled was dying. Now it is over 900 years in the future. There are a million things to deal with between new inventions, lost knowledge, missing spirits, & parasitic dark lords. (multi-povs. Unreliable narrator. AU)