Zerro is a god of lightning and thunder who can move faster than the speed of light and manipulate the element of of electricity. Zerro is a deific being with the capability to generate perfect electrical energy projectiles with immense strength and intensity. He often accompanies his student Hikari Tenori. Zerro is also highly skilled in the art of the blade, which is teaches his student Hikari Tenori. He is passionate and kind but merciless when angered. He cares deeply for Hikari Tenori.