My entry for the Beneath the waves challenge. I had great fun working on this although I jumped on very late, I only had 2 weeks total working on my spare time but I'm happy I managed to finish it in time!
More info over at the entry: https://www.artstation.com/contests/beneath-the-waves/challenges/37/submissions/25551
Based on the awesome concept by Eduard Kolokolov https://www.artstation.com/artwork/vWPbA