Three Legged Golden Toad is a Beast Spirit. This rare beast spirit possessed a special ability, it could manipulate metal. It's because of this that it is refered as the most suitable Spirit for spirit engineers in the entire world.
He could control any type of metal. He could even absorb the energy from certain exotic metals to support and enhance his personal cultivation.
When it is activated, a flash of golden light flickered, and a leg grew out from his buttocks behind him. This leg was completely golden, and a layer of blinding gold blanketed his entire body.