The defensive formation Feng Jun had commissioned was capped at the Nascent Soul Intermediate Stage. On the Kunhao Plane, any stronger defensive formation would have been meaningless.
Powerful cultivators could leverage their familiarity with the rules to launch attacks comparable to the Nascent Soul Initial Stage, but anything stronger was impossible.
Considering that the defensive formation would remain active at all times and consume a great quantity of Spirit Stones, his formation needed to connect to the Earth Vein. Formations like this were not universally applicable and could not be obtained by killing someone for their treasures, so it had to be custom-made.
However, there were quite a few visiting cultivators at Liba Beach now, so Feng Jun did not need to make a special trip himself. He could simply ask someone to purchase it. If they dared tamper with it or leave a backdoor, they could not possibly hide it from the Big Shot or the Guardians.
The errand runner ended up being Xuanyuan Buqi. He had always been anxious to return home and deliver the Soul-Fixing Pill, while also bringing several juniors over to learn how Feng Jun created Longevity Springs—Feng Mountain Lord had already stated that he would not teach them, but neither would he stop others from watching.
With the defensive formation and talismans accounted for, Feng Jun began searching the estate for a suitable place to create the spring source. The center where the Earth Veins converged was definitely unsuitable, as it could easily leak Earth Vein spiritual energy. But being too far away would not work either, since connecting to the Earth Vein would become more difficult.
In the end, he chose a small mound roughly seven hundred meters from the Earth Vein's center. It was merely a little bump over two meters high,