Successfully complete the indicated task to unlock the corresponding ending:

Bad: Reach Old Road 5, and defeat Mother Genome before encountering Jadore.
Normal: Defeat Mother Genome after gaining Jadore as a character; or defeat all human genomes and Edward without completing 50 floors of Abyssal Gate.
True: Activate all flags, get all characters, defeat all human genomes, clear the Abyssal Gate, defeat Edward, then win the battles that follows.