implode (verb)

1. In the fantasy novel, the dam of magic power suddenly imploded, causing chaos in the world.

2. According to Greek mythology, when Pandora opened the forbidden box, all the evils that were trapped inside imploded upon the world.

3. The haunted house in the horror movie mysteriously imploded, trapping the characters inside with the malevolent spirits.

4. In the final chapter of the classic novel, the protagonist's world imploded as all the secrets and lies were revealed, ultimately leading to their downfall.