3d realistic character image of a ruler of underwater cities in a future where humanity thrives in the ocean depths. His attire showcases a fusion of ancient Greek armor and advanced aquatic gear, adorned with wave motifs. Eyes blaze with the power of the deep. Incorporate a trident that can control tides, summon storms, and quell earthquakes. Colors: blue, teal, and silver. Capture the essence of a sovereign commanding the vastness of the seas.