Chapter 519: Advancing to Dou Ling

Surprise flashed across Yao Lao’s eyes within the mountain cave as he eyed the medicinal liquid that swiftly swirled within the wooden basin. With his ability, he could naturally sense the suction force that was surging explosively out from Xiao Yan’s body. He immediately muttered softly, “This little fellow wants to break through the Da Dou Shi class in one go? Borrowing this formidable force, it appears that he has quite a good opportunity. However, the energy he needs is an extremely large amount…”