The next day, Master Hui met Jon for another round of training. “Are you ready?" Master Hui asked his mentee. Jon nodded, “Please begin!" Master Hui started the session, “Black Light!" Simultaneously, a streak of black energy flowed out from his left palm and a streak of white energy flowed out from his right palm. They intertwined then rushed straight at Jon. Jon flew in the air to dodge the attack but it followed him. Finally, Jon decided to counter the attack with a beam of concentrated energy. After an interval of persistent concentration, Jon managed to dissipate the twister of energy. “His energy attacks are growing stronger day by day," Master Hui observed before he launched another attack. “Yin Yang Fury!" A circle with a curved line in the middle immediately appea