Refiners fire

This story by Abraxan starts in the summer after Harry’s fifth year. He falls for a muggle girl named Casey who’s the daughter of the tiler where he works over the summer. In an attack the whole family is killed and Harry is rescued by his new godfather Remus. In the shock over her death he falls in a fever – the Refiners fire – that refines the magic within him. Only three people survived it, Dumbledore and Merlin beside himself and he is the youngest.
Back at school Ginny becomes his pretended girlfriend to keep the other girls at bay. This evolves into a steady relation. Ron and Hermione find together.
The DA is newly organized with a two year structure based on capability and a general in Ron. Harry becomes a multiple animagus (cat, dog, wolf, dragonfly, raven, therestral, phoenix) and Ron can become a collie. Over time Harry is attacked by several girls (Parvaty, Pansy and Hermione) to kill him.
On the Easter break Ron and Harry should fly Buckbeak to Romania but are attacked in France on their camp. They and the rescue team are involved in a serious fight with Death Eaters and Voldemort. Ginny falls twice over a cliff and is both time rescued by Harry.
When Harry catches the snitch in the final game it’s a portkey that transport him to Little Hangleton where he again fights Voldemort. He is able to call in the help of the DA. In the battle several people die. Others are seriously wounded among those Harry. At the same time Horgwarts is attacked but defended with only light injuries.
After the battle a phoenix – Merlin in his animagus form – comes to Harry.
After their astronomy exam Malfoy polyjuiced into Sinistra and attacked Harry. He and Hermione are seriously wounded.
On the train ride home Harry is physically attacked and suffers a fractured scull, which he and Merlin manage to heal.
The story can be read online at Schnoogle.
I also made a PDF of the 40 chapters.