She doesn't know if this evil version of herself that suddenly attacks her is a clone, from an alternate dimension or even is a mental projection but one thing Diana does know is when she hits... it hurts!
Andrew, that's incredible art! The face of Wonder Woman is so accurately rendered, it looks like a picture of Lynda Carter! I'd just HATE to see her nemesis get a lucky shot off with that balled up left fist, and knock her beautiful big right boob clean up and out of it's holster! heh heh