In the grand hall of the Stone Dragon's castle in her own very dimension, Grey was currently operating on her as the unconscious Hestonia remained afloat mid-air.
Lying on a physical projection, similar to something akin to invisible layers of energy acting as her cozy bed while under deep sleep, Hestonia's gray long hair remained steady, covering the sensitive parts of her body based on Grey's wish to avoid being distracted during the process of reverse engineering the complicated Curse of Seil.
In the end, he was still a man in nature.
The Operation Stone relentlessly continued for a month. And since Grey didn't actually need to sleep or even take a nap due to his alien biology, he operated on her non-stop, seeing firsthand the complicated Spell Structure of the Curse of Seil bestowed personally by the Dragon God.