From deep underground the sunken ocean bubbles under pressure and leeches through the dyeing world and into super-heated vents feeding the Scalding Mire with mineral rich waters, some deadly to be near as they suck the oxygen out of the air. Outside of the Frozen Sea and the Sludge Lake the Scalding Mire is one of the only surface waters on the world. With some strenuous work one could extract the rich minerals from the waters, or clean water from the minerals.