Making a list of challenges for an Illusionist. Ideas?

[Odessa333]

So I am making a list of 12 Herculean style labors for a gnome illusionist. They are supposed to be 12 ways to make real change in the world with only illusions, a task set by the PC's mentor to prove themself. I could use some PG-13 ideas for this if you have any ( and yes, I know the actual labors were not. No, I'm not going there).

Thank you for your time!

[Frozenstep]

Convince someone that they're the illusion. (https://xkcd.com/329/) .

Fake some important person's death.

Put on a play to entertain a whole town, with no actors and no props available.

[Odessa333]

Interesting idea, thanks. I'll give this one bump, see what happens. I have some ideas, but figured it can't hurt to have more input.

[Particle_Man]

Convince a dragon to give you their hoard.

Discover and prove which of the noble’s five counsellors is plotting to betray the noble.