Hello everyone! I am new at writing long fanfictions and this will be long so please bare with me. I hope to release a chapter every couple of days. This is all from Rupert Giles POV. The character belongs to BTVS and this is a cross over with the Harry Potter universe. I hope you enjoy it and read on as I add to it. Please leave any comments or notes as feedback is appreciated, just please be civil if it is negative! :-)

Chapter 1

Rupert Giles is more well known for being the devoted watcher and father figure of Buffy Summers, the slayer. He is so much more than he appears, his past clouded with secrets and magic. As a boy Rupert Giles attended Hogwarts school of witchcraft and wizardry. He was however, the oldest boy to ever be accepted into the first year at the age of 16. His father, who was also a watcher, did not want his son attending a wizarding school. He believed it would steer his son away from his destiny as a watcher. Eventually his mother, who was a witch, won the argument and Rupert Giles was sent to Hogwarts.

On the Hogwarts express he met 4 boys who were to become his greatest friends. James Potter, Sirius Black, Remus Lupin and Peter Pettigrew. Rupert and Remus were the book worms of the group and spent hours in the library together. James and Sirius were always the pranksters of the group and Peter... well... Peter was more of a follower. He idolised James and Sirius for their pranks. Rupert always got a bad vibe from the youngest of their group. In their third year they found out about Remus and his 'furry problem' as James called it. They all worked hard to be able to turn into animals themselves to keep their friend company on the nights of the full moon. By their fifth year they managed it. James turned into a stag, Sirius a Dog and Peter a rat... the hint should of been there really.

Rupert turned into a wolf. He was bigger than a grizzly bear, grey with white blended into his fur, his emerald eyes sharp and vivid. They all started looking forward to the full moon. Remus seemed calmer during the change with them there. Rupert knew it was dangerous to wonder around the grounds with a werewolf, anything could happen, any number of students could of gotten hurt. But the boys didn't think such adult thoughts at the time.

Rupert finished Hogwarts at the age of 22 and made his way back to London to do what his father asked of him. He began to train for the watchers council and against their rules he kept in touch with his friends. He attended James and Lily's wedding as one of the groomsmen and was overjoyed when they had Harry. Hearing his friends had gone into hiding with Voldemort seeking them out, Rupert wanted nothing more than to help them. The council of watchers soon put a stop to his communications with the wizarding world and his wand was locked away. Rupert hated that he couldn't help his friends.

One night his father told him his mother had been turned into a vampire, bitten on her way home from work. Rupert trained harder and sought to find her before anything bad happened to her but he was too late. He witnessed his father thrusting a stake through his mothers heart, he screamed in agony and left home, left the council and left himself behind. That night Ripper was born out of hatred and anger.

Ripper began to hang around with a bad crowd, easily becoming their leader. They use to summon demons to possess them to get high. One demon in particular was their favorite. Eyegon. One day the demon was too strong and it wouldn't release one of their group. Rupert took back control of himself and was forced to kill the man. He locked Ripper away inside his mind hating himself for what he had created. His aunt Minerva McGonagall was the only one to accept him back after he ran away. His mother had been her younger sister.

Rupert was glad that at the moment his friends were safe but his aunt told him it would be too dangerous to contact them. However they had sent a note to her for him months ago. He read it and his eyes began to fill up. They had named him a second godfather to Harry as well as Sirius. He felt warmth flood through him and he knew he had to go back to the council. He was accepted back and he worked harder to become what was expected from him. He graduated from Oxford and before he knew it he had an active Slayer to train. He was told to go to Sunnydale which was based on top of a hellmouth. He would be living over the mouth of hell itself. He left when Harry was just 8 months old.

He arrived in Sunnydale eager to meet his slayer. He took a place up at Sunnydale high as the librarian and readied himself. Buffy Summers knocked the wind out of him. She was more than he bargained for. She had a temper that rivaled his own. It was as if he'd sudden had a teenage daughter. She rejected her destiny and fought against it just as he had when he was her age. He recognized so much of himself in her. He vowed that she would be the oldest slayer to exist. He would work as hard as he could to protect her.

Hearing the news of Lily and James death he felt rage boiling up inside him. He tried his best to deal with it but then the school began to hand out 'band candy'. Ripper began to cause trouble in Sunnydale and by the time Rupert gained control again he was embarrassed by what his slayer now knew about him. He was amazed when she didn't judge him, she accepted him as broken as he was. She saved him for the millionth time and he was grateful.

He pushed Buffy further than anything with her training. He found that having a social life, friends and family... it gave her something to live for. It drove her to protect them and to protect her own life... something no other slayer had ever had before. Rupert was fired for the fathers love he had for her and he still refused to leave her side. They had been through so much, lost so much... even hurt each other emotionally no matter how much they didn't mean it. When Buffy ran away and returned home Rupert didnt judge her. He'd done the same thing after all and having his aunt accept him back had been a blessing, he only hoped his understanding and acceptance showed in his actions.

When Buffy died it broke him. He felt like a shell of the man that had existed. He wanted to scream at the world to stop spinning, to scream at the trees and green grass, lakes and streams for them to stop being so beautiful, he wanted to roar at the sun for being so bright. His slayer, his Buffy... she was dead and the world should be frozen over and coated with darkness for her loss. He stayed in Sunnydale to help her sister Dawn and the gang but it was too much. With the Buffy bot reactivated he couldn't stand to be around. He soon booked a flight back to England.

His aunt received word of his return and immediately convinced Albus to use him as the advanced OWL and NEWT level Defense against the dark arts professor. Albus wrote to Rupert and he agreed to it. He was now on his way back to Hogwarts, back to the only other home he'd ever known other than Sunnydale. He didn't realize his life was about to change forever.