In the Garden of Zhou, the ten thousand swords had soared into the sky and assisted Chen Changsheng in cutting down the Golden-winged Great Peng and breaking Black Robe's plot because they wanted to leave that plain where the sun never set, because they wanted to return to their homes.
Chen Changsheng had made a promise to these swords, and he would naturally not go back on his word. Thus, upon returning to the capital, even if he was somewhat reluctant, he still took the first opportunity to report this matter to the Pope.