Refining the Core

Langya Immortal Land, Cave Mansion Yi San.

Langya Immortal Land was where spiritual energy gathered in Yongle Immortal City. Three hundred and sixty-nine cave mansions had been established there and leased to cultivators within the city for Realm Breakthroughs.

Naturally, the rent was extremely expensive. Ordinary cultivators only gritted their teeth and indulged themselves when advancing in rank or breaking through a major realm, all to improve their chances of success.

Wang Chen stayed in Langya Immortal Land for ten days, renting a cave mansion solely to cultivate the Profound True Outer Core Technique he had just acquired.

The Profound True Outer Core Technique was very famous in the Immortal Realm and regarded as one of the finest outer core arts. It was said that its creator had been a mighty cultivator with the immortal title "Xuan Zhen."

This technique could be cultivated from the Purple Mansion realm to the Golden Core realm. It allowed one to refine an outer core for one's own use, maximizing its power and controlling it as easily as one's own limbs and fingers. It was truly a superior method.

However, the Profound True Outer Core Technique was exceedingly difficult to cultivate. Aside from possessing a high-quality outer core, its practitioner also needed to have excellent Spiritual Root and comprehension.

Inside the cave mansion, where spiritual energy was abundant, Wang Chen sat cross-legged on the floor. With his full attention focused, he circulated the Mana within his body, condensing it into Samadhi True Fire to refine a glittering golden pellet.

This dragon-eye-sized pellet fused True Person Ye's Golden Core with a demon spirit core. After being tempered in the Life-Giving Creation Cauldron for nearly thirty days, its core body had become incomparably condensed, making it extremely difficult to refine.

The greatest strength of the Profound