In a futuristic world where mermaids and sea dragons coexist, an underwater city powered by advanced technology thrives with glowing coral skyscrapers and shimmering schools of robotic fish. Tell the tale of a young inventor who discovers a magical artifact from ancient mythology that holds the key to unlocking the secrets of the deep sea.

Imagine a futuristic world underwater where mermaids and sea dragons coexist. Picture an underwater city designed with cutting-edge technology. It flourishes with coral skyscrapers that glow and is populated by schools of shimmering robotic fish. A young South Asian female inventor plays a central role in this landscape. She discovers a magical artifact originating from ancient mythology. This artifact is significant as it holds the key to unlock the deep secrets of the sea. Portray this vivid tale of technology, mythology, exploration, and discovery.