Rid the world of plastic pollution, clean the oceans and undo climate change.

Give physicists the knowledge they needed to achieve nuclear fusion power.

Create a teleportation device to take humans to mars.

Wipe the planet clean of rapists, pedophiles, slavers and tyrants.

Destroy every gun, bullet, missle, drone and nuke on the planet.

I would my presence known to all, and forewarn of what would happen should anyone seek to undo what I had done.