Two exciting tales from the world of Dragons: Riders of Berk! In ‘The Legend of Ragnarok'', a spate of local seaquakes has citizens of Berk remembering a long whispered tale of a huge monster that will one day rise from the sea and end the world… Could it come true? In ‘Underworld'', Hiccup and his friends discover a huge, mysterious pit in a forest near Berk while Stoick investigates a number of fishing vessels that have gone missing – but, little do they know, the two events are connected…