Although Ryogen of Mt. Hiei was known as Chuko no So (father of restoration) of Mt. Hiei since he restored it with the support of FUJIWARA no Morosuke, this also secularized Mt. Hiei.
比叡山良源は藤原師輔の外護を受けて、比叡山を再興し中興の祖とされるが、そのことは比叡山の世俗化を招いた。