Tony nodded as Meru spoke, curious as he circled the cage for a moment more. He looked over to Meru after he finished and raised an eyebrow. "What potion did you use?" Because it was a point of curiosity for him to know what the boy was testing out.
It had always intrigued him to learn more about things like this, mostly to see what changes and developments he could manage to make to improve on what had started.