"Superhero inspired by the protective and intuitive crab. Picture them with the ability to generate cosmic shields and barriers. Their attire combines ancient shell designs with advanced barrier-tech, adorned with crab claw motifs. Their aura shimmers with the luster of moonlit seas. Incorporate gauntlets that can extend protective barriers. Colors: moonlit mauve, tidal teal, and cosmic coral. Capture the essence of a guardian of the celestial shores."