Gemstone survives finishing blows. Battle to the top and end him for good.

Gemstone is not like the others. This Superbot has one terrifying ability, Last Stand. Land the finishing blow and there's a chance he survives it, giving him precious seconds to turn the fight around and bury you instead. The arena has never hosted a final boss this unpredictable. Battle through every match, climb to the top and face Gemstone in the ultimate trial. Beat the unkillable and walk away with exclusive event-only rewards. The trial is live. Fight Now!