You can't! Like you said, I did what I did. I killed Ra's. I avenged my parents' death, and, guess what? Nothing changed. It made no difference. So what did I do it for? How can you help that?
Stop telling me who I am. I know who I am. And if you really want to help me, you can stop trying to be my father - you can be my butler. Clean this place up.
It's true, he killed your brother - but not your wife, Elaine, or your son, Joseph. No, they're still alive, and probably having lunch in your two-bedroom on Seventh Ave. Right now. [he stops the drill] See, I made it a point to learn about every detail of Penguin's organization. For instance, I learned that he only trusts one man for this type of job - you. And in the event that I am ever tortured, my people have instructions to kill your family.
DThe Dentist
Interesting threat, but no one's going to know you were tortured because no one is going to find your body.
[laughs] Oh, because you don't think I have spies in Penguin's organization. He's right about me, though; I have been conspiring against him for months, turning his captains against him one by one, and today is the day that I will finally take him down. So, if my people don't hear from me soon, your family's dead. But if you don't believe me, drill away.
DThe Dentist
[to Penguin's thug] Excuse me. Her restraints need tightening.
[Penguin's thug goes to tighten her restraints, and the Dentist jams the drill into his neck, killing him]
From the first day I put on the badge, I was told things could never change. Gotham was corrupt. GCPD was corrupt. Criminals and low-lives ran things. You just showed me different. Penguin will be coming. It's time we showed Gotham who we are. Suit up!
How many cops died under the Pax Penguina? Not one. It was you who couldn't stomach it. It was you who came to the Falcones for help. There is a direct line from your decision to a dozen police officers who have been brutally murdered.
You wanna arrest me? Arrest me. But I'll talk. The cops that died, the friend that you betrayed, will all have been for nothing. The GCPD will crumble. Penguin or someone worse will take over, and you will lose Gotham forever. Or, take on this city as your own. Keep the GCPD, let them think you're a hero. But live knowing who you are, knowing what you've done - that is my revenge.
[nods] The toxin entered the bloodstream through the cuts on the neck. If it is the same as the last victim, the toxin creates vines that feed off the victim's body, while also attacking the hippocampus like some...plant-based psychedelics.
I'm gonna cure you of this attitude, Oswald. I'm gonna find the entertaining guy I know is inside of you, and when I do... oooh, we are gonna have so much fun together!