Irene Dantalion(アイリーンダンタリーオン; Airīndantarīon) is a supporting character and the main antagonist of the Volume 3 of Highschool DxD: Legacy, sharing the position with Mudrock Bael. The only daughter of the Satans Mary Beelzebub, former Purson, and Calico Belphegor, former Dantalion, Irene is considered one of the strongest rookies amount the young devils, so far she's considered one of the next Satans of the next generation. She's also Ichijou Tsukino's proclaimed Fiancée and the heiress and next head of both the Dantalion and Purson clan.