Accompanied by the motions of the Yi Guang Breathing Method,
Colin's muscular energy was efficiently extracted, forming a trickle of a stream that continuously nourished the Blood Qi Group in his lower abdomen, slowly growing in size.
During this process, the shell of the Ancient Tree Heart Crystal in his chest also began to dissolve slightly, releasing a weak heat flow.
After a short time, having completed the Yi Guang Breathing Method twice, the energy in his flesh was nearly depleted.
Colin ceased his movements, waiting for the heat flow released by the Ancient Tree Heart Crystal to recover his physical energy.
At the same time, he closed his eyes and focused on the crystal in his chest.
"If the thickness of the crystal shell was comparable to an eggshell just now, then now it's at most similar to the thickness of a few sheets of paper stacked together... Progress is good."
Observing for a moment, Colin came to a conclusion.
