In Guilty Gear X (2000), while Faust is trying to help people and fulfilling his duties as a doctor, he meets with Dizzy and persuades her to abandon her life in the forest to prevent further attacks on her.
In Guilty Gear Xrd (2014), Faust confronted the resurrected Zato-1, who revealed that he was framed for his malpractice incident by the Conclave because his procedure held the secret of resurrection.