Creating Secret Technique

"Where are you going with this question?" she asked.

Looking up, Alex could see fear on her face. 

"Sorry, I don't mean it that way. Let me rephrase it. 

If this organ on your back that produces fairy dust is hurt, damaged, or basically destroyed to the point it couldn't function, will you die?"

"Yes, we call this organ a fairy heart. It doesn't beat, but without it, we are dead. As for our real heart, even if it's damaged, our fairy heart will be able to heal it."

"Then, no wonder many methods are not working. I will be blunt. To find a way to enhance it, I will need to experiment, and this is no easy endeavor. 

I could use simulation and try to predict the outcome, but with a completely different nervous system, I doubt the result will be accurate at all."

"So you mean you need a live fairy specimen to experiment with a high risk of death?"

"Yes. Look, you have read many books in this library.