Song of Reverberation

In this world where source masters open pulses, induce source sounds, and brand marks, a boy born without source veins cannot draw source sounds, but he can only eat the reverberations of the dead - borrowing the marks of the dead to reproduce the skills of the dead. Every time a piece of power is used, a piece of memory will disappear. The more you fight, the stronger you become, and the more you fight, the more empty you become. Originally, the young man just wanted to go out and look at the stars, but fate pushed him to keep moving forward.