Bella shuts her eyes, moves her hand, and turns around the book. "That's an illustration of how Elias made the hexagon I just used," she says.

It appears that Elias opted to stick his arm into a cage full of starving rats. A caption under the image explains that while this was agonizing, it also created numerous smallish wounds, each individually something he could take care of with a Second Coin instead of having to expend a Third.