The king is evil, and hard to please, he doesn't easily laugh. What would you do or what joke will you tell him to survive?

Assume you can teleport to any civilization from any time period, where would you choose to go and why?

You can choose one and only one spell from the entire world of Harry Potter and master it. What spell would you choose and what are you going to do with it?

You are given access to an ancient archive that holds all secrets of history, and you can read about a single secret from any time period or organization. What would you want to know and why?

Assuming you don’t have a nuclear shelter in your house, and that your government cannot stop that missile, meaning that it will imminently reach the target.