Tang Yan chose a direction and led the three swiftly through the mountains.
The characteristics of the plants offered a direct indication of the surrounding climate.
Taking soil, terrain, humidity, and other conditions into account as well, Tang Yan quickly searched his mental repository of medicinal ingredients for any spirit herbs suited to growing in this environment.
With powerful theoretical knowledge supporting him and the Heaven-Earth Creation Cauldron serving as his top-tier treasure-hunting assist, Tang Yan soon led the three to a mountain ravine.
A stream burbled along.
Tang Yan crouched beside the stream and dipped his hand into the water, then smiled as he explained to the two, "Although mountain spring water is cold, there's also a hot spring source here, making the stream fluctuate between hot and cold.
"This environment readily nurtures Yin-Yang Rootless Grass, which mostly hides in cracks between rocks. Everyone, help look!"
With that, Tang Yan followed the stream upstream.
Before long, he found a piece of black-and-red aquatic grass the size of an index finger in a crack between rocks.
"It looks like this!" Tang Yan held it up for the three to inspect.
The three immediately began searching.
Tang Yan placed this stalk of Yin-Yang Rootless Grass into the Chaos Space, then stood on the bank waiting for them.
After searching for a while, all three found something, and in the end, all handed their medicinal ingredients to Tang Yan without prior discussion.
Seven stalks in total.
Tang Yan gave Sun Long one stalk, increasing his points by two.
He gave him another three stalks, pushing his points to sixteen, then gave the remaining five stalks to Tong Banzhi, bringing his points to ten.
"Let's keep moving!" The Heaven-Earth Creation Cauldron had stopped reacting, presumably because all the Yin-Yang Rootless Grass had been