The artwork is done by Adonis Pelendritis.
Read the official announcement:
As the time is drawing near for "Redemption Through Force" to be unleashed, here is a preview of the cover painting, done by our swordbrother Adonis Pelendritis (the guy standing in the middle), especially for the album! We are honored to feature the work of such a talented artist on our record, thanks Adonis! p.s: and also thanks to Eleni and Christiana for the photo!