Heavenly Thunder Forges the Body, Ascending to the Fourth Layer of the Golden Core Realm

BOOM!

With a thunderous roar that shook the heavens, a bolt of lightning snaked out from the thick clouds. It moved with unimaginable speed, like a shooting star hurtling straight toward the earth below.

Chen Changming narrowed his eyes, a flicker of pleasant surprise crossing his face.

The Marrow Cleansing Pill was a heaven-defying elixir, and as such, its completion would inevitably invite the baptism of a heavenly tribulation.

The formation of the Marrow Cleansing Pill required the tempering of nine bolts of heavenly lightning.

Throughout this process, the alchemist could not afford the slightest lapse in focus; they had to continuously manipulate the lightning as it entered the pill to achieve a perfect tempering effect.

The first bolt of heavenly lightning whistled down, vanishing into the pill furnace.

Chen Changming's expression grew solemn. His hands moved with sudden, blurred speed as he began to drive the lightning to refine the pill.

"Heavenly lightning entering the pill... Hahaha, this is the legendary 'Heavenly Lightning Entering the Pill'..."

True Person Purple Sun stood to the side, trembling with excitement.

There were many alchemists in this world, but almost none would ever encounter such a sight.

Only when a heaven-defying pill was being forged would the heavens descend with a tribulation.

If an alchemist's skill was insufficient to perfectly control the lightning once it entered the furnace, the entire forging process would likely end in failure.

Each of the nine bolts was stronger than the last.

The demands placed upon the alchemist were extreme; a single moment of carelessness would result in all previous efforts being wasted.

After the time it took to burn a stick of incense, the first bolt of lightning completed its mission and dissipated entirely.

Then, with another boom, the second bolt descended.

This bolt was thicker than