A flash of spirit light.
A jade slip appeared in his palm.
This jade slip recorded the publicly known thunder spirit lands within the territories ruled by the Immortal Alliance and the Sea Suppressing Alliance.
Small thunder spirit lands required only spirit stones!
Spirit lands with somewhat denser thunder spirit energy required spirit materials to enter.
Very quickly!
Cheng Buzheng crossed out one thunder spirit land after another recorded within the jade slip.
Clearly, none of these places were suitable!
At this moment.
Little Roar was already at the peak of the third tier. To break through again, it needed a spirit land with thunder spirit energy of sufficient concentration.
He now had to consider his options.
The thunder spirit land Cheng Buzheng had previously obtained from Zhou An True Lord had a sufficiently high concentration of thunder spirit energy, but it was located within the Langya Secret Realm.
There were still several years before the secret realm opened!
If Little Roar could break through before the Langya Secret Realm opened, his safety would be sufficiently assured.
Therefore, Cheng Buzheng had to find a thunder spirit land for Little Roar before entering the secret realm... and give it a try!
Ideally, he would find another undiscovered Thunder Spirit River like the last one.
However!
The possibility of that was exceedingly slim.
That previous Thunder Spirit River had been of a very low grade. If it had been a high-grade thunder spirit land, it would never have fallen to him.
Such spirit lands were often occupied by powerful mortal cultivators and factions.
Almost no mortal cultivator would put one up for trade.
Even so!
Cheng Buzheng still wanted to try. If it truly did not work out, he would test the publicly known thunder spirit lands.
After thinking it over, he