The Secret of Chromastone

An ill Ben is pleased to see an old friend, Tetrax, but is caught off guard when Tetrax demands Ben give him Chromastone.Ben doesn't have a chance to explain what happened to Chromastone when Tetrax attacks him,demanding that he be handed over.Ben's situation only gets worse when Vilgax shows up and is learned that he is after the same thing.Ben now battles to save himself and discover why Chromastone is such importance.

Omnitrix Aliens

 * Chromastone