Originally, Xu Feng thought that since he was already a Golden Core cultivator, the system would not issue any further rewards unless one of the Hundred Arts of Immortality he had already mastered broke through to Rank 4.
Since his Weapon-Crafting had only broken through to Tier 2, logically speaking, there shouldn't have been any reward.
To his surprise, however, right after his Weapon-Crafting broke through to Tier 2, he inadvertently triggered a hidden achievement, and the system's electronic voice sounded once again.
Chapter 588