The Seven Palaces Mechanism of the Heavenly Sound Sect was established in combination with musical theory.
Once the Seven Palaces Mechanism was activated, the entire headquarters of the Heavenly Sound Sect would become impregnable.
It could carry out a strict defense while simultaneously launching an attack on the enemy.
It was precisely because of this Seven Palaces Mechanism that the Heavenly Sound Sect had been able to hold out until Sword Saint Xie Linyuan arrived to continue the fight against the enemy.
"Wanlan?" Professor Shen seemed puzzled, but he continued, "Researchers have deduced that each of the seven palaces must be unlocked by someone proficient in musical theory, but in terms of musical theory..."
Who could be higher than the elite disciples of the Heavenly Sound Sect?
