Caolas Cugallach/Dire Straits

Nuair a chuireas an Sgioba an dearg chuthaich air Dìbrigh, tha e a’ cleachdadh dràgon mara, am Beumadair-aigeinn, gus smachd a chumail air an obair mhalairt aige.

Viggo gets angry at the dragon riders continually interfering with his business and uses a deep sea dragon, the Submaripper, to control Berk's trade.