At this moment, he felt as if his heart was being scorched in a furnace, the pain was indescribable.

This agony was far more intense than when he first took the Gathering Qi Pills.

"How could this be?!"

Gritting his teeth, Su Shi'er widened his eyes, his face contorted with pain. He hadn't known beforehand that merging this Spirit Bead into his body would be so excruciating.