Harry starts training at the summer before fifth year and continues it during the school year with Snape.
Snape will be discovered, the Order will save him, Harry has nightmares; you know, just the usual stuff.
In the last chapter Harry duels with Voldemort and shows us how powerful he really is.

Takes Place: 5th summer, 5th Year - Snape flavour: Canon Snape, Snape is Kind, Snape is Loving
Tags: Hospitalization, Injured!Harry, Injured!Snape, SuperPower! Harry
Categories: Teacher Snape > Trusted Mentor Snape, Reverse Roles > Healer Harry, Snape Equal Status to Harry > Comrades Snape and Harry

Harry, scarred from an attack by Ripper, enters the magical world and encounters none other than Professor Snape.
OOC warning because characters have developed/matured due to change in circumstances

Takes Place: 0 - Pre Hogwarts (before Harry is 11) - Snape flavour: Canon Snape, Snape Comforts
Tags: Child fic, Injured!Harry, Physical Impairment, Snape-meets-Dursleys
Categories: Healer Snape

Harry's spiralling out of control. After a particularly brutal summer in Little Whinging, he craves power like he's never known before. It starts small, a curious, tentative dark curse here and there, nothing major. Accidental at first, really. It just keep growing and growing. He's addicted and he can't stop. Not that he really seems to want to.
Snape is sick of the boy's lack of concentration and respect. For his own sanity and his love for Lily, he realises that he must do something about Potter's recent behaviour. He doesn't like what he finds.

Takes Place: 4th Year - Snape flavour: Snape is Kind, Out of Character Snape, Overly-protective Snape
Tags: Addicted!Harry, Injured!Harry, Snape-meets-Dursleys, Spying on Harry! Snape
Categories: Healer Snape, Parental Snape > Guardian Snape

On Christmas Eve, Harry makes a mistake that nearly costs him his life, and now nothing short of a miracle is able to save him. A frantic Lily shows herself to Severus, pleading to save her son. Will Severus be the bringer of a miracle, or will young Harry be doomed to never see another Christmas again?

Takes Place: 0 - Pre Hogwarts (before Harry is 11) - Snape flavour: Snape Comforts, Snape is Kind, Snape is Loving, Overly-protective Snape
Tags: Injured!Harry
Categories: Fic Fests > #20 Holiday Fest 2015, Parental Snape > Guardian Snape

Harry Potter starts Hogwarts with high hopes of finding himself a real family, and holds tightly to this hope despite the torture his new Potion's Master seems intent on putting him through. Can Harry's hope hold out long enough to see his dream through?

Takes Place: 1st Year - Snape flavour: Snape is Angry, Snape's a Bully, Canon Snape, Snape Comforts, Snape is Cruel, Snape is Kind, Snape is Loving, Snape is Mean, Snape is Stern
Tags: Alternate Universe, Hospitalization, Injured!Harry
Categories: Healer Snape, Teacher Snape > Trusted Mentor Snape, Teacher Snape > Professor Snape, Parental Snape > Guardian Snape