Disclaimer: I do not own Charmed or Harry Potter, I am merely writing a work of fanfiction. Be kind as this is my first fanfic

Piper, Phoebe and Prue ran desperately through the maze of alleyways in San Francisco. Each time they turned a corner they had just enough time to see the demon they were chasing turn down another. It seemed to be an endless chase, one that would never end, what they thought was a stalemate.

They had been walking to Piper's club; P3 when Phoebe had had the premonition like no other. And still as she ran ten minutes later she was still haunted by it. The uncanny realism she always got had been there yet it was sharper, clearer.

The image of the demon bent over the black-haired boy had almost been to much to bare. He had been sleeping, lying in a four poster bed in what seemed like a dorm-room. Phoebe's heart had turned cold as she had watched him whither in his sleep and the atmosphere caused her to shudder.

It had been so different to all her usual premonitions.

Prue glanced at her sisters. It was a bad idea chasing it, she knew. When they had no weapons, no means to protect themselves and no idea what it was they were up against.

Phoebe was the worst for wear, Prue could see that. The premonition had shaken her in some way, but she had been so sure of herself and determined when she had insisted they take up chase.

Prue ignored her thoughts, this was not the time nor place to think of whether they had done the right thing. She only hoped, as she ran camera hitting her chest, that things would turn out all right.

But it was Piper, who as they ran was the most shaken. She could not describe how she had felt when Phoebe had had the premonition and the terror she had felt when out of the corner of her eye she had seen the demon.

If it was a demon; she had never seen the raw power before, never known that it could exist in that shape and form.

But it wasn't that scared her. No. It was the familiarity she had felt when it had caught her eye. And the fear which that familiarity caused.

She had to ignore it now for her sake; for her sisters sakes, if they were going to come out of this alive.

The demon ahead of them was slowing, it shouldn't have been but it was. It turned round one last corner giving no time for the sisters to ponder on what lay await. They only ran blindly after it.

What awaited them could only be described as a vortex, the demon they had been chasing was nowhere in sight. The sisters stopped dead and they stood staring, barely grasping what it was.

It was before they even had time to think let alone discuss what to do that they were pushed head first into the grey, cloudy, starry, mass that was before them.

Meanwhile Harry Potter and his two friends Hermione Granger and Ron Weasley were sitting at the Gryfindor table at the beginning of their fourth year.

The hall was silent except for the never-ending list of things not to do on the grounds that Filch the caretaker was reading. Harry always wondered if Filch spent the whole of summer thinking up new rules for him and his friends to break - not on purpose of course as they were not the kind of people who went looking for trouble, it was trouble which seemed to have a knack of finding them.

Every year it was the same, no one could believe that there were any rules which were not already there, but every year Filch got great joy from proving them wrong.

It was during this speech and as the sorting hat was being wheeled away that something happened which no one could quite believe.

Of course being the people who they were meant that they should really have been expecting the unexpected, burt as it happened everyone was caught off guard.

Harry's first thought when the vortex had appeared in the air in front of the teacher's table had been one of awe.

Completely taken aback he had stared stricken in amazement at the sight in front of him. He had never seen anything quite so beautiful; the circling mass of cloudy stars called to him, pulling him from his fastly beating heart.

It was only when the three sisters tumbled out of onto the stage in front of the table that he was jottled back into reality. He felt for his wand, making certain it was still there. It was.