Nesren-leusan was the Holy Fifth of the Koru-teusa. Nesren-leusan was a master of psionics that traveled throughout the Second Hytoth. Millennia ago, the Holy Fifth was gradually forgotten by the Ortothans; by the time they were remembered, Nesren-leusan no longer existed for tribute to be made to. Legends formed from Nesren-leusan's memory, telling that the Holy Fifth had encountered something that left them forgotten by the Hytoth until they withered into nothingness.
It is from their name the Ortothan cardinal numeral, "Nes" derived from.
SCP-1712-B: It escaped and going to kil- Real name(I guess):Watter Kennel--