The light sphere on the left held a mound of Yao Earth Sand shaped like a sand dune.
The light sphere on the right held two Fourth-Order Demon Cores, each about the size of an egg and glowing bluish green.
Looking at the two treasures before him, Ji Yuan swept his right hand over them without betraying a thing. The Demon Cores and Yao Earth Sand vanished together, leaving only two transparent light spheres.
With that, Ji Yuan glanced at the Panel.
[Spirit Field: Lv5 (upgrade available)] [Spirit Effect 1: Crop growth cycles shortened by 70%; upon harvest, a 50% chance of a double yield and a 15% chance of a triple yield.] [Spirit Effect 2 (Cultivate Immortality Through Farming): Farming personally increases wood-attribute affinity.] [Spirit Effect 3 (Nascent Soul Communion): Harvest 1 Nascent-Soul Fruit every 80 years.] [Upgrade requirements: High-Grade Spirit Stones ×500; Fourth-Order Wood-Attribute Demon Cores ×2; Yin-Yang Soil ×1 jin; Earth Sand ×1 jin; Third-Order Profound-Shadow Locust corpses ×2. (Requirements met)]
Finally—it was done!
Ji Yuan let out a quiet breath of relief, but now was not the time to upgrade.
The Spirit Field had not yet been brought into Lingtai Square-Inch Mountain. Ji Yuan did not dare upgrade it here in the Rakshasa Sea.
Upgrading it here would be practically begging the Ghost Envoy to notice something strange about him.
For now, having all the materials was enough. Even if he upgraded it, he would only harvest one Nascent-Soul Fruit every eighty years.
Another year or two would make no difference.
Besides, Ji Yuan was about to enter the Core Area.
He would not be staying in the Rakshasa Sea much longer.
Gathering the Spirit Field's upgrade materials had been the central purpose of Ji Yuan's trip.
Now that he had finally accomplished it,