"Doctor?" He watches Mohinder get up so very slowly before he leads the pair down the halls to the elevator and then the basement once more. "You've seen the medical technology we have here. Now look what else we can offer."

Arthur's amused at the way that Mohinder's eyes widen and he heads to one of the computer terminals. There aren't just incubators here, electron microscopes, or centrifuges. Arthur has offered Mohinder a geneticist's wet dream. And it shows on the doctor's face as he turns towards Sylar and his supposed father. "What's the catch?"

Arthur smiles. "No catch. Though we had been hoping you'd restart work on your research for a serum to provide artificial abilities to humans."