GameFAQS lists the following as the objectives for Hell Teacher Nube's world: JIGOKU SENSEI NUBE (Pay 400 purple gems on Inaba's Evolution Chart to unlock this stage) MISSION 1 1. Get more wins than your opponent Unlock: Nube 2. Get 2 points more than your opponent Unlock: Hiroshi 3. Get 3 points more than your opponent 4. KO your opponent with a Support Character 5. Get 5 points more than your opponent Unlock: Yukime I can't get the number 4 objective done no matter how I KO my opponents witrh support characters. Can anyone hel me...?