"What, this?" Malachite asked, moving the shape out to where she could see it. She recognized one of the probes that Erin's people had sent over, though this one was badly damaged. "Simply a memento, nothing more. It doesn't even work properly. It was how my mind got out, you see. These devices all talked to one another, in a way that bypassed my rather ingenious shield. If it weren't for this one, I'd still be in that cave, probably requiring another few centuries before anypony found me." 