" Miyagawa Akira's words fell on the distant ground, calm as ever, "He used this to hone his shield technique, and as it gradually improved, his growth rate was truly astonishing."My only chance is to... allXu Jingming wouldn't even try virtual reality! Because he knew he couldn't keep his brain waves within the normal range.……"Acoustic training, sound waves can become weapons, they can affect brainw...