During the final battle in the Al route, Kurou and Therion go through a time portal to prehistoric earth, smash into the ground, and kill the dinosaurs.
In Al's route, when taking out Tiberius, not only does he slice the Belzebuth in half (from head to crotch), he puts Cthugua point blank to the cockpit, and executes the lunatic while saying See You in Hell. No less than two seconds later, said Anticross member is falling to his death, already roasting in perdition's fire.
Al Azif Metatron Sandalphon Ruri
In her route, she pilots the Demonbane and takes down Caligula's Deus Machina with the Lemuria Impact!