The Awesomeness of Severus Snape

Severus Snape is the son of Hades and for years he's told no one. When his father's thorn comes back to power he's finally allowed to reveal that he's a demigod and boy does he come up with reasons why he's late, why he can insult Sirius, why he changes in the classroom, and why he's got unusual pets. Tom will come to fear him, like he will come to fear Harry. A Percy Jackson/Harry