Enkan's system (Echin Monryu) was passed on to monks including Koshu, Yuiken and Unkai, and although part of the Tendai Sect, is thought to have existed as separate group from Enryaku-ji Temple until the Sengoku Period (Period of Warring States).
円観の系統（恵鎮門流）は光宗_(僧)・惟賢・運海らに継承され、天台宗でありながら戦国時代_(日本)まで延暦寺とは別の集団を形成していたと考えられている。