The solution is hidden in the past

Thank you Magical Princess and PrInCeSsChArMeD
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Chris lay on the floor. As he woke nothing has changed... or... yes there was one thing. Wyatt stayed infront of him and was going through his secret "Book of shadows" and smiled and shaked his head. Chris jumped on his feets imediately and tried to pull his book out of Wyatts hands, but he was faster and held it over his head.

'Give it back.' Chris yelled angrily.
'Did you really believe on of those spells would work propably?' Wyatt only laught.
'You ...'
'Especially the last one... I mean: 1. you build up an protection spell - which wasn't very strong- so you should have known that this wasn't goning to work. And 2. You call such an great power - the Halliwell power - and use such an baby-spell. You didn't really believe ...'
'Shut up. Don't tell me you can do it better.'
'Better then you.' Wyatt answered.

Before Chris could say anything else Paige orbed in.
'Demon attack.' she yelled.
And not a second later about a dozen demons shimmered in.
'Since when do you orb into my room to face demon attacks?' Chris asked as he throw a demon onto the wall with his powers.
'Sorry. But sensed for the room with the most witches in it.' Paige excused while she reorbed a fireball to a demon.
In this second Piper came into the room and blew fife demons up and the rest was done by the three other witches (Wyatt, Chris and Paige).
As all demons were vanguished Chris' room looked terrible. 'Great!' Chris sighed.
'Now you see what you have to sacrifice if you wanne be a fulltime witch.' Piper answered. 'Sorry. I will fix it with the vanishing spell... Don't worry. It's for my sweet nephew...'Paige answered.
'Paige!' Chris said angrily.
'I think he didn't like the word 'sweet', Aunt Paige!', Wyatt said laughing.
The frontdoor downstairs opened and they heared Phoebe calling. 'I am home! Is someone there?'
'Upstairs! In Chris room.' Piper yelled back.
A few seconds later Phoebe appeared and just as she entered the room a new demone ( the same as the other dozen) appeared and threw a fireball at Wyatt.
'Wyatt!Down!' Phoebe warned and Piper blew him up. But the fireball had hit Chris' "Book of Shadows" which Wyatt had lost at the fight.
'No!' Chris called out and tried to save his book.
Wyatt tried to pull him away as the "Book of Shadows" exploded. And all fife witches were thrown through the air.

I know that this chapter is a little bit short, but I will try to writte a longer chapter next time.