Alec
Beat both Salome and Alec in stage 8-6.

Asagi
You have to get level 1000, 100000 mana. Wish "Challenge the next protagonist." Defeat Asagi.

Babylon
You have to get level 200, 9000 mana. Wish "Fight against Babylon." Available in chapters 2-8. Defeat Babylon.

Battleship Yoshitsuna
Get level 300, 20000 mana. Wish "Fight strongest person in game." Beat Baal.

Endings

    * Alexander - Bad Ending: Finish 8-6 & have Salome die, then beat Alex
    * Alexander - Bad Ending 2: Finish 8-6 & have Salome die, then lose to Alex
    * Good Ending: Finish 8-6 with Salome surviving & Clear last stage with 49 or less ally kills
    * Pram - Bad Ending: Finish 8-6 with Salome surviving & Clear last stage with 50 or more ally kills. Beat Pram.
    * Pram - Bad Ending 2: Finish 8-6 with Salome surviving & Clear last stage with 50 or more ally kills. Lose to Pram.
    * Zetta - Bad Ending: Wish "I want to beat the strongest", Lose to Zetta. Note: With Laharl in lead, there are 2 different cutscenes for winning & losing(Total of 3 scenes)