Flying Countess
I nodded, "Yeah. The Underworld doesn't need demons anymore. It's time to start anew, and... well, a fresh start begins with a clean slate. Your forms and the state of this place were all predetermined by Kadeon and Matthias when they created all the worlds. You don't know them but just think of them as pretend gods playing at being me. You were never meant to be hateful creatures living in ruins or separated the way that you have been. When I am finished, the layers of the underworld will become places of beauty and wonder."
Even though I had presented this transformation as if it was no big deal, in reality, the process to shift their demonic forms back into their original human form was rather complex. I had to peel off the demonic essence layer by layer, sifting through their complex physiological construct while preserving their core consciousness. The end result?