The defeated water elemental has left behind a strange water globe.  You surmise that the object somehow fed the beast energy.  Inside the globe, a putrid-looking form of water sloshes about.  The globe itself seems impervious to any sort of physical force.$B$BIf anyone can make any sense of this item, it would be Je'neu Sancrea of the Earthen Ring.  He is located at the Horde's Zoram'gar Outpost in Ashenvale.