The Hyfae of the Undervault
When the kephera of the Undervault began searching for a cure, it was discovered that they were treating a race that had kept hidden with the Undervault. This race was called the hyfae and were cousins to the fae. Their ailment turned out to be a much more serious affair, coming from an ancient evil buried deep within the Undervault. However, through the diligence of the people of the Basin of Life, the ailment was beaten back . . . for now.