immisericorditer
From LSJ
εἰ μὴ ἦλθον καὶ ἐλάλησα αὐτοῖς, ἁμαρτίαν οὐκ εἶχον → if I had not come and spoken to them, they would not be guilty of sin
immĭsĕrĭcordĭter: adv., v. immisericors.
immĭsĕrĭcordĭtĕr, sans pitié : Ter. Ad. 663 ; Aug. Lib. 3, 9, 28.