Lin Yun started learning the Thunderblitz Physique as soon as he returned. As an Advanced Xiantian Martial Technique, it was sure to be powerful, but there would be a harsh requirement to learn it.

The Thunderblitz Battle Physique required refining two different elements, thunder and fire. Both thunder and fire. These were the most violent elements in the world. It was dangerous enough to refine just one of them.

Lin Yun understood now why the Wan Clan had been willing to part with this one.

The Thunderblitz Physique was separated into five stages. The first stage was to focus on tempering his physique with fire elemental spiritual energy. He had to refine his flesh and bones with fire, changing it from the inside. 

If he could complete the first stage, he would possess a Fiery Demon Physique equivalent to Lesser Fiery Demons. At that stage, he would be impervious to ordinary weapons.

“Fiery Demon Physique?” Lin Yun pondered. Fiery Demons were creatures that...