PS4 Arc of Alchemist ‘Exploration’ trailer Run through the Desert of Beginnings. Compile Heart has released a new trailer for Arc of Alchemist highlighting field exploration. If you missed it last month, read up on the tactical action RPG‘s world, story, and characters here. Further information is available here.Arc of Alchemist is due out for PlayStation 4 on November 29 in Japan. Watch the trailer below.