One remarkable characteristic noted of Fangi was his equanimity and ability to concentrate intensely on spiritual matters. One incident recorded involves a surgical procedure which he was required to undergo without anesthetic, as such an aid was not available in the fifteenth century. He did so without crying out at all. Afterwards, he simply stated that his mind was so intensely focused on something else that he hardly noticed what was being done. It is claimed that in prayer he was often seen levitating in ecstasy.