HarmonQuest (season 3)

The world has been destroyed by the demon helling! To make things worse, Fondue is dead, and his spirit is trapped inside a sword. It's now up to Buer, Boneweevil and a mysterious newcomer to find a way to undo the damage done and repair the mistakes that led to the end of the world (and were like, definitely their fault). Seeking the Beast of Beginning to reset their past, our heroes traverse time and space to set the world right, but run into increasingly dangerous complications caused by trying to alter the fabric of reality itself