Such a creature would be drawn to the corruption of the fountain. But with the Water Dragon gone, such a being may have crossed into Dirge. There are unnamed things barred from entering both the mortal world and the spirit realm. The second fountain is just a quick uphill trek away from the entrance to the inner courtyard.
We restored the first one, so let's go find the next one so we can do our Spirit Monk job. The Water Dragon, who had known from the very beginning that we'd die at the hands of Sun Li, has promised to return us to the land of the living if we restore the Dirge fountains.
Last time, we woke up as a ghost and ended up at Dirge, which we were told is a place between the real world and the spirit realm. Part 40: Corruption Episode 38: Corruption