Gu He descended into the courtyard and waved to signal Bai Shi not to come over and bow. He then headed straight for the alchemy room.
The alchemy room looked quite spacious, but there were few items inside. Gu He simply did not want to place so many unrelated things here. At this moment, only a stick of sandalwood incense was quietly burning within the room.
Gu He did not immediately begin work after entering the alchemy room. Instead, he sat cross-legged on the cushion in the center, adjusting the fluctuations in his state of mind and his physical condition.
The key to preparing Earth Core Soul Marrow was steadiness. If one's emotions fluctuated easily, failure could practically be declared. Thus, even though Gu He's state of mind was currently fairly good, he still intended to adjust himself and reach his best condition before preparing the Earth Core Soul Marrow.
After a full hour of adjustment, Gu He slowly opened his eyes. At that moment, his eyes were like a deep, secluded pool, calm and without ripples.
Since both the Earth Core Soul Marrow and Pill Spirit Nectar were quite pure and could be prepared directly, only the Gastrodia Jade Stone Essence needed to be refined first. Its stone essence had to be extracted before it could be mixed with the other two medicinal ingredients.
Gu He stretched out both hands, and a green stone appeared in his palm. Strange patterns covered its surface, and it looked slightly translucent. Thick liquid flowed within it. This stone was the Gastrodia Jade Stone Essence.
With a flick of his finger, a streak of green flame flew toward the stone, suddenly expanding to envelop it completely. Intense heat then burst forth, scorching the Gastrodia Jade Stone Essence within.
Under the effects of the