There is also a revelation of Arich Anpin’s power with particular force that removes Judgment altogether… This depends on whether the Forehead is revealed or not. (In Hebrew, forehead is מצחא, mitzcha, related to the root צחה, tzachah, “shine brightly”, cf. Opening 32). When this Forehead is concealed, Judgment is only sweetened, whereas when it is revealed it removes Judgment altogether.
This is when the Forehead of Favor is revealed. This is the mystery of the Repair of the Will of Wills (תיקון דרעוא דרעוין, tikkun derava deravin). This is what gives Arich Anpin this particular power. (For Yesod of Atik is clothed in the Forehead of Atik.) None of the other Repairs, which stem from Chessed, Gevurah, Tiferet, Netzach and Hod of Atik, achieve this because none of them except Yesod has the power to rectify the Forehead in such a way that the powers of Kindness can be revealed with great force.