In the Author's Words Edit
She's crazy. Oh, you want to know more? Okay. High elves are gracious, elegant, righteous and noble. Except Zintiel. Zintiel does whatever she feels like at any one time, which may range from saving kittens from a fire to robbing a bank and anything in between or beyond. She doesn't let herself be bound by rules, social conventions or laws of physics. She appears to act completely randomly at times, but she's more clever than she lets on.