Aavri
Terrarian
perhaps the probes could drop a probe lens from time to time that could have several uses, including making the yo-yo, and perhaps towards the optic staff aswell since it would make sense, maybe a few other items to make other items, and maybe also to mae a pet item too?
Going off this...
How about and item that lets you scout? You lose control of your person and can still die, but while active, let's you fly around as a prob.