大毘盧遮那成佛經疏 4.40

4.40

至第五日暮，復當次第具諸法則、好自嚴身，觀入漫荼羅位，奉請結護等一一周備竟，當誦不動明王或降三世尊，與密印相應，滿一百八遍加持此地。阿闍梨言：「從第三日以去，每日三時念誦時，皆誦不動真言一百八遍用加持地。非獨此，應一切處用也。又從初日至三日以來，若有留難，即當收攝停止。若已塗白檀位竟，設有種種魔事兩不和合，要當勤加方便，必使得成也。餘如瞿醯中說。」其第五夜誦不動真言竟，次當以大日如來身，即誦持地真言及作三昧耶印，說彼真言曰：

On the eve of the fifth day, one should again sequentially prepare all the rules, properly adorn one's body, visualise entering the station of the maṇḍala, make the invitations and establish the boundary (sīmābandha) completely, and then recite [the mantra of] the Vidyārāja Acala or Lord Trailokyavijaya, in accordance with the secret seal (mudrā), empowering this ground for a full one hundred and eight times. The ācārya said: "From the third day onward, every day at the three times of recitation, one always recites the mantra of Acala one hundred and eight times to empower the ground. Not only here, but it should be used in all places. Furthermore, from the first day through the third day, if there are hindrances, one should withdraw and cease. If the white sandalwood stations have already been painted, even if there are various demonic occurrences or disagreements between the two parties, one must diligently apply upāya and ensure its completion. The rest is as spoken in the Guhya [Sūtra]." Having recited the mantra of Acala on the fifth night, one should next, with the body of Mahāvairocana, recite the mantra for holding the ground and make the samaya-mudrā. That mantra says: