The fact that Peter has been in the vicinity of the Hatian
should represent a major advantage v. Sylar, should he ever realize what he can do...
Conversely, it will be of the utmost importance to keep the Hatian's brain securely locked in his skull...
But wouldn't that make the hatian
about the only hero we know about who is "on" at all times?
With the arguable exception of Claire, most everyone else seems to have some degree of conscious control over directing their powers. And, the fact that when the Hatian went down to Mohinder's neck-syringe, his shields droppped would argue that there's at least some conscious component to his ability. Futhermore, we know the Hatian has some discretionary power, via his ability to take some memories, and not others...