Among the famous engraving knives recorded in the Exquisite Treasure Mirror, only a few had unknown whereabouts. The rest were basically in the hands of the foremost array masters of the present age. One could imagine Lu Feng's feelings upon seeing the Fu Xun Engraving Knife here.
The Fu Xun Engraving Knife's true value did not lie in reducing the consumption of spiritual energy, but in its aid to soul power. The further one progressed, the more soul power was consumed in condensing array discs. If a Heaven Soul Array were to be condensed into an array disc, that array master would very likely be unable to recover the spent soul power for years to come. But with the Fu Xun Engraving Knife, the expenditure of soul power would be greatly reduced.
With the Fu Xun Engraving Knife in hand, Lu Feng immediately felt his control over arrays improve considerably. He now had much greater confidence in setting up high-grade arrays he had previously not dared attempt. Although the Void Spirit Engraving Knife he had obtained in Azure Dragon Town was quite good, as his strength rose, so too did the demands of array construction. It was no longer suited to his current level. Aside from a few special materials that could only be worked with it, it could no longer handle most high-grade array materials.
"These boxes seem to be worth more than the last," Lu Feng murmured, recalling the recipe book and the rotten pills he had found earlier. "The pills were discovered after the recipe book. Could it be that these pills are worth even more than the recipe book?"
Pills above Earth grade would never rot so easily. On the contrary, the longer they endured, the more their medicinal potency would increase. Lu Feng was certain