Mechanical/steampunk diamond (god slayers) (Derpy platypus)

meet mechanical diamond the first creation of the hellspawn legion (an army of artificial gems) she is incredibly powerful and despite looking goofy with the squares on her goggles she can hypnotize people with them the cog in her chest is her main source of power and if it stops turning she basically dies her fists are made uberium one of the strongest metals ( I made it up its not real) her green cape is forged of shattered peridots she has defeated