Kappa's appearance as seen in the post Worlds Collide reality is that of the standard E-100 head and torso situated atop tank treads with two large cylinder "arms" that are each fitted with four drills. It's head is the standard E-100 yellow with green eyes, it's "belly" is white, and the section connecting it's torso to it's treads is gray matching it's drills. The rest of the unit is green.