Arjuna creates a gem of time.

The entire concept, the idea of materializing a concept is just...insanity, even for you. And that's exactly why you're going to do it. You stretch your prana, your mind, and even the Denial of Nothingness to the absolute limit...and create a pinkie-nail sized gemstone of condensed, purified time. You have no idea what it's useful for, Touko has no idea what it's useful for, and as far as either of you can tell it acts like a normal crystal. But...it's not composed of molecules, just time. It doesn't have a history, just time. It has no structure, just time. It is time, and you have no idea what the heck you've created. Touko's gone back to screaming