Upon returning to his immortal cave, Xu Feng did not immediately set out to refine the Jiamu Longevity Pill. Instead, he went straight into the Spirit Plant Space.
He intended to sow the main ingredient seeds of the Golden Core Formation Pill, which he had requested from True Monarch Gu of Yuhua Palace, directly into the spirit fields.
Before doing so, however, there was something else he needed to take care of: upgrading thirty of the sixty-three Tier 2 spirit fields to Tier 3.
Chapter 640