Due to Chogen's great efforts, the Kaigen-hoyo (ceremony of "kaigan," to enshrine a newly built Buddhist image and to put in a spirit to open eyes to Buddhism) was conducted in the presence of people such as Cloistered Emperor Goshirakawa in 1185; in 1190, the reconstruction of the Great Buddha Hall was completed and the opening ceremony was conducted in the presence of MINAMOTO no Yoritomo and others.
重源の精力的な活動により、文治元年（1185年）には後白河法皇らの列席のもと、大仏開眼法要が行われ、建久元年（1190年）には、再建大仏殿が完成、源頼朝らの列席のもと、落慶法要が営まれた。