'These two have considerable power.'
Jiang Li observed the surroundings with his heart's mind, watching Guanyin and Tan Wuwei.
He used secret sound transmission to say the final sentence, which, in theory, should only be heard by Manjusri, yet this method is not completely foolproof.
Guanyin must have cultivated the Buddhist Six Powers, at least the Heavenly Ear Technique, which has certainly reached completion, for her Dao Fruit is "Guanyin". But Tan Wuwei, who has just been promoted to third grade and is only halfway through his monastic journey, could hear Jiang Li's transmission purely due to his deep power.
It seems Manjusri knew the transmission couldn't be hidden from the other two, gently flipping his palm to create an invisible barrier isolating Weitu and Guangli, who arrived later, and then said: "There is nothing to hide; these two friends of Buddha are also Great Masters of the Buddha Country now and have the right to know any secret."
