An eye for an eye was never so literal. You should have seen the two of them, newly-made cyclops, eye-gulping, face-eating creatures made of the stuff of nightmares, licking at their blood-stained teeth, in a dance of agony and bliss.
A hand for a hand, yes, a wry symmetry the driving force of their mutual demise. You should have heard the cheers of the crowd of spectators: horrified, galvanised, ...