Nothing looks different about x x x but you can sense something happened. It becomes evident later when it tries to climb a tree but breaks off the branch instead. The ray has increased its level to: 2
Tomorrow may see another boost if you're brave enough to risk it.
But... nothing happens. It makes a kind of 'zzrrrppptttt' sound before shutting down completely. The creepy Kookith shoos you away and appears quite angry, so you hightail it out of there before he shoots some miniature laser beam at you or something.