You are the most dangerous assassin on the planet

You could take over the world any day if you wanted to. But there was just one problem, you were to bored.

You were then hired by the government to teach a class of assassins with prize money on the lines. The class had to try and kill you if they wanted the prize money.

As soon as you step foot in the room, several knives were thrown at you, each one expertly aimed.