Transport yourself to a serene training ground where Goku is honing his skills. The neural network should create a breathtaking scene of Goku surrounded by lush greenery, standing under a majestic waterfall. The water cascades down, creating a mesmerizing spray that glistens in the sunlight. Goku's body is drenched, highlighting the definition of his muscles as he strikes a powerful stance. The artwork should capture the essence of Goku's unwavering determination and unwavering spirit.