Denial of Nothingness

You've officially figured out how to create objects from nothing. It's a difficult-mentally-process and rather counter intuitive unless you'd worked through every single intervening step just right, but you can literally just imagine things into existence now. So...what about unimagining things? Deconstructing things back down into nothingness via mere thought? According to Touko that's supposed to be part of what the Denial of Nothingness is capable of, so...how would you go about this...

Maybe a reversal of the steps? You allowed tendrils of prana to flow around and over a rock in your hand as you thought. So that would be...untie things from the origin, reject accumulation of experiences, evaporate the history, unform the materials, unwind the structure, and unmake the concept? Something like that, anyways. The way you had it described in your head was almost literally doing the exact same things you did to create something, but in reverse. So let's try it...

You went through each and every 'reversed step' slowly and methodically with the rock, and at first...nothing seemed to happen. As you untied its origin, it didn't tremble. There was no pulse as you rejected its capacity for accumulation, no flash of light as you evaporated its history. It was once you got to the materials stage that things began to occur; as it lost the materials making it up it sort-of...greyed out, losing color and physical traits. When it lost structure it was reduced to this...spark. Just the disembodied concept of a rock rather than a rock in and of itself. After that all it took was literally just imagining it going out and the rock ceased to exist. And then it existed once again as you imagined it back into reality, unharmed by the experience. And then it ceased to exist again as you took it apart back down to nothingness with mere thought. Existent, nonexistent. Existent, nonexistent.

"Hey Arjuna, got an experi-whoa!" Touko stopped and gaped, watching you conjure and dispel an ordinary rock without even the tiniest flash of prana. She gathered herself fairly quickly. "Welp, I guess we can check the First Magic off the list. Congratulations, you're officially a Sorcerer Aozaki Arjuna. I'm thinking...how does a party this July sound? Celebrate that accomplishment and make it official?"

You shrugged, more focused on figuring out why this was working. So what if you were to...