He quickly exchanged all of his hard-earned martial credits for the techniques, before sitting down at the Apprentice Library to memorize their training methods.
Out of all the three, The Stinger's training was the most painful and least pleasant by far. The training of the technique involved the repeated damaging of the toe to cause micro-fractures that when healed via healing potions would strengthen the bone structure to stronger than it ever was, while also reshaping the bone and the flesh to become more conducive to piercing.
This was not something Rui was unfamiliar with as a concept. It was a well-documented fact that pressure and the reconstruction of microfractures strengthened the bone. There were several traditional martial arts on Earth that used this kind of conditioning to strengthen bones. The most popular ones being Karate, Kung Fu and Muay Thai. Each applied this principle in different way to varying degrees.
