Because then Emperor Kanmu became a devout believer in Saicho and Hieizan-ji Temple, received the support of the emperor and his aides in the Wake clan, it flourished as it was considered the guardian of Kyoto's Kimon (northeast) gate and of the nation.
時の桓武天皇は最澄に帰依し、天皇やその側近である和気氏の援助を受けて、比叡山寺は京都の鬼門（北東）を護る国家鎮護の道場として次第に栄えるようになった。