C1091 One Month Was Enough

If he wanted to use a safer and more stable method to temper his body, he could separate the Five Elemental True Fire and temper his body one by one. Finally, he could complete the Spirit Physique.

However, there was a drawback to doing this, and that was that it would take even more time.

By fusing the Five Elements True Fire first, and then using the fused True Fire to temper his body