Create an image of a majestic underwater castle inhabited by mythical sea creatures, guarded by a powerful mermaid queen who possesses the ability to control the tides and protect the underwater kingdom from any outside threats.

Visualize a majestic underwater castle that has become a dwelling to a myriad of mythical sea creatures. In its vicinity, a powerful mermaid queen, who is of South Asian descent, reigns over her dominion with a supernatural ability to manipulate the tides. She is depicted as the protector of this underwater kingdom, warding off any potential threats from the outside world. Her divine powers reflect refinement and control, reinforcing the tranquility and balance of this unique marine ecosystem.