A possible concise summary is:
Rebecca and Maddie are trapped in a fairy realm by a mysterious queen who wants them to stay forever. They have to complete challenges and escape with the final device to stop the switch-up. Matt and Connor spy on RZ Twin, Mr. X and the Game Master at the lake of secrets. Daniel warns them that taking things out of the realms is causing their house to glitch.
Some possible key facts extracted from the text are:
1. The text is a transcript of a video by Rebecca Zamolo, a YouTube star who makes videos about challenges, pranks and mysteries.
2. The video is about Rebecca and her friends trying to find the fifth and final device to stop the switch up and make the gamemaster good again.
3. The device is hidden in a fairy realm, where Rebecca and Maddie have to compete in challenges against a fairy queen who wants to keep them there forever.
4. Matt and Connor have to spy on RZ twin, Mr. X and the gamemaster, who are planning something evil at the lake of secrets.
5. Daniel warns them that taking things out of the realms is causing their house to be haunted and their power to go out.