Deep within the Thunder Pool, purple lightning poured down like a waterfall.
Lin Shisan sat cross-legged where the lightning was thickest, his entire body shrouded in its radiance.
He looked like an ancient deity bathing in thunder.
The Nine Heavens True Dragon Art operated at full power, and the Taiji Wheel in his Dantian spun madly.
Black and white spiritual power intertwined into an enormous vortex, drawing the violent power of lightning into his body bit by bit, then converting it into pure spiritual power that surged furiously into his fourth spirit vein. His Meridian Opening fourth stage cultivation had stabilized completely, but that was still far from enough.
Xiao Han was still alive, and Ning Jiuying had followed him inside.
He had to grow stronger, strong enough to face the life-and-death battle to come.
"Again."
Gritting his teeth, Lin Shisan took a Four-Pattern Meridian-Congealing Pill from his Storage Ring and swallowed it.
The medicinal power turned into a scorching current, rushing through his meridians alongside the power of lightning.
The pain made the veins on his forehead bulge and twisted his face into a grimace.
Crack...
A crisp sound rang out inside him. Cracks had appeared in his fifth spirit vein.
This could work.
Wild delight surged through Lin Shisan's heart, and he took out another Meridian-Congealing Pill and swallowed it.
The combined medicinal power of two Four-Pattern Meridian-Congealing Pills rampaged through his meridians like two fiery dragons.
The power of lightning grew even more violent, striking from every direction and drowning him in a thunder sea.
"Ah..."
Lin Shisan could not help letting out a low roar.
His flesh blackened in the lightning, then regenerated; his bones fractured under the tempering, then healed.
With every cycle, his body grew stronger, his spiritual power grew purer, and the cracks