In balance with the other elements, water is the source and sustenance of all living things.  It gives and nurtures life, and all rely upon it for their existence.  Yet, when polluted, it also brings life to an end.$B$BWe must determine the extent of the damage that has been done.  To the southwest is one such contaminated body of water that has come to be known as the Foul Pool.  Travel there and extract the foul essence from the water spirits that inhabit the pool.