D&D 5.5e unveils Arcana Unleashed book with first 5.5e mechanics testing ground

Dungeons & Dragons has unveiled a new book called Arcana Unleashed, which serves as the first real testing ground for the mechanics of D&D 5.5e. Despite a slow start caused by a major team restructuring, the new edition has steadily released core rulebooks and campaign settings including Forgotten Realms and Ravenloft.