Episode 4
S2, E4: When the battle threatens to ruin farmland, Seth does his best to protect the crops. Ocoho is impressed and casts defensive magic to help him, but she's reprimanded for going against orders. But then Queen Boudica appears and praises Ocoho for protecting the land as the legendary sorcerer Merlin did. The farmers also say that a spirit called the Dullahan started appearing in the area around the same time as the Spectral Nemesis...
