Unfortunately, the effect of the Spirit Moon fruit decreased as one consumed more.
The first time one consumed would provide the largest cultivation boost. The second would provide half of the first, and the third would have basically no effect.
Huang Ling was the first to discover the Spirit Moon Tree. After learning of the great effects of the spirit moon fruit, she excitedly plucked a whole bunch of them.
Unfortunately, not long after, someone still set foot into the ruin, and discovered traces of Huang Ling's presence there.
At that time, Huang Ling had not yet had the time to store away the spirit moon fruits. When those cultivators noticed the fruits, they immediately attacked her.
In the beginning, there were only some low-level cultivators, which Huang Ling could handle. However, not long after, two purple spirit realm cultivators arrived.