In the underground lake, there were only three liters of Pure Yang energy left. Water, under Zhang Han's willpower, the thunder yang tree controlled all of the pure yang water. The water was sucked into the tree trunk from the tree root and the energy from the crystal was absorbed by the thunder yang tree.

A moment later, in the cave pool, pure yang water flowed out from the strands of thunder yang tree.

One liter, two liters, three liters.

In just five ...