Astria Ascending - The Art of Astria Ascending contains:

• A digital map of Orcanon with the main locations you will visit during your journey in Astria Ascending.
• A digital artbook of over 70 pages, gathering concept arts, promotional arts and 2D models of the gorgeous art of Astria Ascending.

About the DLC:

The artbook goes through the design of Astria Ascending characters, world, and enemies you will encounter.