Capítulo 56: LVI. Gemstones' Alternative Uses.

"Skills, naturally are more expensive to acquire," The contractor explained, in a tone that Vanilla could not difference if it was condescending or genuinely helpful. "The more advanced and powerful the skills, the more expensive their price. And the more you increase a characteristic, the more expensive it will become to increase them again. Use your points wisely!"

Naturally. Still, it sounded like the system encouraged you to farm human lives to unlock more and more power. She'd certainly have to be cautious with it if she accepted it. 

"As I told you, every gem has a different Alternative Use. Combine them in useful ways, and the possibilities are endless! Now unlock the Burning Blast. We'll test it out. Press the 'yes' button that appears below the info square you are in."

"Well, here go Jane, Rox, and some Vagabond," She joked. "Let's see if they are useful for something."

"What did you say, Vanilla?" Rowie asked,