C750 Radix Salviae Miltiorrhizae

A low, ear-piercing explosion resounded throughout the ruins as a huge shockwave blasted out in all directions. The dust and sand on the ground were all blown back at the same time, making those who heard it not be able to see what was going on inside.

This sound sounded a bit strange, but it was completely heard by ordinary people. If one combined the deep and ear-piercing sounds together