Dark Release: Judgment

Hiruko converts the chakra absorbed with Dark Release: Inhaling Maw into light blue flames, turning it back on his enemies with amplified strength to blow them away. The flames are expelled through the lower square of the mark on Hiruko's left hand.

Trivia

 * The technique's name is a pun, similar to certain techniques of Kumogakure-ninjas, in which it has an English name with a given kanji that somewhat match the pronunciation.
 * The light blue flames seen in this technique are likely a reference to the "Will-o-Wisp," as the in  means "gloomy; ghostly; night; underworld."