C405 What Was Going On??

Inside a spacious cave, Ling Xiao sat cross-legged on the floor, his palms ceaselessly casting dense, bewitching blue flames.

The flames danced over a black cauldron, sending up searing mists that dried the spirit herbs hovering above, drawing out their potent essences.

The herbs withered quickly, their essences dripping like beads of crystal-clear rain into the cauldron