Silently gathering his spiritual power, Tang San slowly infused it into Sky Shatterer. Instantly, he felt as if his spiritual power had entered a warm spring, and it was enveloped by a warmth that seemed to make it slowly turn brighter and more powerful.0

This was one of the characteristics of Heavenly Fire Essence Iron. Its intense heat could melt and burn everything around it, but it actually nourished spiritual power and could be controlled using spiritual power.0

The warm sensation gradually became scalding, yet it was still far from fierce. Tang San silently experienced the changes in his spiritual power, continuously infusing the hammer with it.0

The first spiritual fusion with the Heavenly Fire Essence Iron required a long time. Tang San estimated that at least seventy-two hours were needed to complete the fusion. This was why the secret of Heavenly Fire Essence Iron had...0