Mephisto kept his own voice to a whisper, as he replied, "You have my temporary gratitude, Ariel. I have never been witness to something so fascinating." It actually vaguely reminded him of the creation of the mortal realm. "Truly magical. In a way, it's like harnessing the infinite power of creation, and that was just the chemical mixture." He faced Ariel with the small, almost serene smile once again. "What would happen if it went wrong?" He asked. He was excited.
It was a new emotion for him. Or at least long-lost and suddenly remembered. He wanted to forgo the silly little test subjects. He wanted to see it working. He wanted it to work on himself.