It also owed to activities of foreign monks such as Ganjin (Jianzhen) wajo from Tang who arrived in January 754 in Heijokyo on his sixth attempted voyage to Japan and introduced the precepts of Buddhism, bringing a large number of Buddhist scriptures, Bodai Senna from India who acted as Kaigan doshi (an officiating priest to consecrate a newly made Buddhist statue or image by inserting the eyes) for the daibutsu, Buttetsu, a monk from the kingdom of Champa (Lin Yi, a former name for Vietnam) who came to Japan at the same time as Tang monk Bodai Senna (Dosen) and a large number of monks from Silla.
754年（天平勝宝6年）1月に6度目の航海のすえに平城京に到着して、戒律や多数の経典を伝えた唐出身の鑑真和尚、大仏開眼供養の導師となったインド出身の菩提僊那、菩提僊那と同時に来日したチャンパ王国（林邑）出身の僧仏哲、唐僧道セン、また、多くの新羅僧ら外国出身の僧侶の活動に負うところも大きかった。