Ben 10 Omniverse: Season 8, Episode 5

8 - 5: Third Time's a Charm

Charmcaster traps Gwen in Ledgerdomain to exact her revenge once and for all, turning her into a stone totem. When she then attempts to take over Gwen's headquarters at Friedkin University, Ben, Kevin and Rook fight back with the aid of the great sorcerer Bezel. Charmcaster is eventually defeated and turned into a totem herself, trapped in her own bag, which restores Gwen, Hex, Adwaita, and Darkstar to normal. Darkstar is arrested, Adwaita escapes, and Charmcaster is kept in Hex and Gwen's custody under the hope that she will see the error of her ways someday.