Centaurmon - to get Centaurmon, need Agumon or Gaubmon. Must have a balanced diet , about 42 battles and medium amount of life. Off, speed, brains and defence 100.
Drimogemon - to get Drimogemon, you need to have Patomon or Gaubmon. Must have HP 1000, off, speed, brains and defence 100 or over. Magic Points 1000. Weight 40 or over.
Birdramon - to get Birdramon, you need Agumon or Biyomon. Must have HP 1000, off, speed, brains and defence 100 or over. Magic Points 1000. Weight 30 or over.