Epic Underwater Kingdom Illustration

I'm seeking a skilled digital illustrator to create a captivating book cover for a fantasy adventure novel. The illustration should depict an epic and adventurous underwater kingdom setting. Key Requirements: - An underwater kingdom backdrop - A mood that conveys epic adventure - Inclusion of heroic characters, legendary creatures, and ancient ruins - A looming shadow of a menacing presence Ideal Skills and Experience: - Expertise in digital illustration - Experience with fantasy-themed artwork - Ability to create dynamic and engaging compositions - Strong use of color and lighting to set a mood Please include a portfolio with relevant work.