**[Tortoise-Serpent Breath Technique, Mysterious Grade, Lower Tier!]**

**[It has two forms. The tortoise form can conceal one's aura and disguise strength, while the serpent form can exhale and inhale, refining the organs.]**

A complex stream of information suddenly flooded Bai Yu's mind.

Moments later, he had fully grasped this technique and couldn't wait to start practicing.