Rudy's Robotic RevealAlter Code and Jack's reaction. Cecilia: Rudy... has a demon's body! Jack: Princess! He is my friend.
Zed abandons the Metal Demons all to help a blind girl named Aura because she's the first to ever to treat him normally. He will attack the party with all ofhis strength thinking they're going to take away his newfound happiness by telling her who he was. Since she can tell the nature of a person from the sound of their voice, him being "weird, but kind", he didn't have anything to be worried about.