Call of Water

It is worse than I feared. The corruption is very potent and if unchecked it could spread to the ocean currents and be carried throughout all of Azeroth!$B$BWe are going to need a sample of the purest water to counter this malignancy. There are ruins on the untainted portion of this island, to the southeast. Go there, where the Wrathscale naga reside, and take from their fountain.$B$BUse this bota bag to gather the sample. Hurry, $N!