Merlin was left gaping at Charlie's nonchalant words. "Help Arlo Griffin… regrow his hand? Are you going to give him a Regeneration Pill?"

He was aware that Charlie could help anyone regrow limbs, although the only method he knew of was the pill.

"Yes," Charlie nodded with a determined smile. "It's the only thing that can."

"It's really expensive, but doesn't it even regrow an entire arm?" Merlin couldn't help asking.

Charlie nodded again. "Or just a finger if need be. Think of it this way: