I created this Boss Enemy concept for the next adventure in my Art Quest - Art Improvement RPG book! This was a fun enemy to design as I was not really constricted with a look or feel for the enemy. When designing, I was mostly concerned with how this enemy could attack in a video game setting.
If you are interested in checking out Art Quest: Creature of the Deep, you can check it out on my ArtStation store with the link below!
https://artstn.co/m/BG1D