After arriving at the World-Outside Grotto-Heaven, Gu An did indeed see a seventh-rank herb that had matured, but he felt it could still be left to grow. The bottom of this herb kept putting down roots, spurring more seeds to form in the surrounding soil.
Gu An watched for a while. He did not harvest it, instead looking forward to it producing more seeds. Only that way would development be more sustainable.
Gu An, whose cultivation had already reached the ninth layer of the Wondrous Dharma Spirit Immortal Realm, no longer needed to rush to reap lifespans of several thousand or several tens of thousands of years.
His goal was one hundred million years of lifespan!
As long as the total time spent was shorter, that was enough.
When the high-rank herbs in the World-Outside Grotto-Heaven reached maturity, perhaps he could reap several tens of millions of years of lifespan in one stroke. Just thinking about it made him somewhat excited.
"I'm preparing to expand this grotto-heaven. Later, you can move in here. If you get bored, you can also raise some demons, but they must know the rules and must not damage my herbs."
Gu An gazed at the boundless medicine garden and laughed softly.
Hearing his words, Tian Yao'er and the other two girls were very excited, and they began to let their imaginations run wild with him.
Compared to raising demons, they yearned even more to go out for a stroll.
Gu An promised them that once they reached the Great Vehicle Realm, they could go out and have some fun. This was also for their own good.
Hearing "Great Vehicle Realm," all three girls' faces fell.
How long would they have to cultivate before they reached that?
"The outside world is dangerous and wicked. If you're