If Gao Weifeng dared to challenge a Grandmaster, Zhao Tiezhu was equally fearless.
Hearing this, Gao Weifeng let out a chuckle, saying confidently, "Don't think of Grandmasters as all-powerful. They are divided into five stages: the Heart-Refining, Liver-Refining, Spleen-Refining, Kidney-Refining, and Lung-Refining realms!"
"The Heart-Refining realm is the initial stage where one starts to guide their internal energy. Their strength is greater and their attacks are fierce, barely capable of projecting energy three meters out. As long as you are fast enough, you can even be much more formidable than them!"
Chapter 936