Warlock.

 No.  Code  Effect
   1  A26T-CAEP  Shoot fireballs
   2  A3LT-AADG  Infinite energy
   3  ADHA-AAAZ    One hit and you're invincible
   4  AE6T-CAB7  Start with less energy
   5  DA6T-CAB7  Start with more energy
   6  EDHA-AAB2  Don't flash when you get hit