Create an image of a humanoid unicorn with a muscular, powerful physique

Create an image of a humanoid unicorn with a muscular, powerful physique, dressed in a Superman costume. The unicorn has a strong, heroic stance, and is performing the Rasengan technique, with a swirling, glowing sphere of energy in one hand. The background can be dynamic, with energy waves radiating from the Rasengan, highlighting the intensity and strength of the character