C127 Hidden secret

In an instant, a wave of chilling aura spread out in all directions. In the span of a few breaths, I felt my entire body turn cold, as if I had fallen into an icehouse.

Under the pile of dirt, there is actually a stone slab. The stone slab isn't big, and it is only about 40 to 50 cm wide, but there are many weird symbols and patterns carved on it