"Haven't gone to check out the volcano myself. Have you..?" Donnie knew Sonic and Robotnik had gone but it didn't sound like they'd found anything worth noting. Unless they'd spent most of the time arguing.

"Hard to say. They don't really seem to generate enough energy to charge...us the way they do when they're still attached to the cave. But it's kind of hard for me to tell for sure. I'd need help to test that theory, given I guess I am not as normal as one would think a mutant turtle should be."