This article is about the giant version. For other crystal urchins, see Crystal urchin.
The Big urchin is a random event that can occur during Prifddinas Waterfall Fishing. Players have to pull a big urchin out of the water together. Players who manage to pull it out of the water are awarded with 30 small crystal urchins, 20 medium crystal urchins, 10 large crystal urchins and 300 experience in Fishing and Strength.