Vulgar the Viking and the spooky school trip

Vulgar's new teacher is called Otto the Bone-Cruncher and he's a proper viking! Vulgar can't wait for the school trip, to learn all about hunting and exploring and having adventures. But after a very VERY long walk and a tea of roasted slugs, Vulgar's not so chipper. It's getting dark, and he's a bit spooked. There are tolls in these hills ...