A billion years old... rock
Editor: Kurisu
As it was circulating in the area between his eyebrows, his mental energy was intermittently emitting a cool and refreshing aura.
Then, as the cool and refreshing aura accumulated and reached a certain degree, it changed into a dazzling bronze light emitting from Song Shuhang's glabella.
At this time, Shuhang felt that the area between his eyebrows was slightly swelled and aching. The pain implied that his constitution was unable to keep up with the sudden increase of mental energy.
Besides, the feeling of pain would become more and more intense as time passed by.
Technically speaking, one could condense and materialize the originally invisible mental energy only after reaching the Third Stage.
The bronze-colored light implied that his mental energy had transformed and entered an embryonic stage. In this stage, the mental energy was the same as an infant, and although it was rather weak while attacking directly, it still had many wondrous uses.