Once the Elixir Was Taken, the Celestial Writ Descended; He Leaped from the Mortal Cage to the Nine Heavens!

In the blink of an eye.

Seven days hurried past.

That day, Chen Heng suddenly gave a deep shout inside his cave abode and set his Mystery Art in motion.

As a fierce peal of thunder rang out from within him, a layer of clear qi instantly appeared over his face, lustrous and moist, like fine jade shining with light.

At the beginning of core formation, one had to refine a Core Embryo with divine talisman fire and minghe sand, then water and purify it with seven-brilliance nine-radiance zhi and stabilize its shape with sage earth.

This was the first step, also called "casting the Core Embryo" in Daoist texts.

Once the Core Embryo was cast, one deployed three wonders flame to stabilize body and spirit and connect to the external heaven-earth bridge, then refined the three external medicines-Cloud Blossom Dragon Ointment, heavenly wander mud, and old immortal's whiskers-together with the internal medicine jade tripod wind, infusing the Core Embryo with vitality and vital essence.

This gradually made the Core Embryo substantial and solid, producing a layer of "golden clothing" on its surface, so that it became like heavy lead and mercury, utterly changed from its former appearance.

At this point, swallowing the greatly transformed Core Embryo into the belly constituted the second step of core formation, called "swallowing gold into the belly"!

After swallowing gold into the belly, once the Core Embryo had finally absorbed its fill, one could begin the third step, "turning inward to observe."

At first glance, it merely bore considerable gold and purple coloring, murky and indistinct, yet magnificent in bearing.

But as a full twenty drops of mysterious chamber water fell, Chen Heng's golden light yang fire was forcibly extinguished before it could run rampant, unable to cause any disturbance.

Casting the Core Embryo,