It is pretty cool, but there's some side-effects that make it....well...there's good and bad to it, I guess.

[Like picking up the skills of his ancestors, at the eventual cost of his sanity, for example.]

Yeah, that was gonna be my next stop. I just needed a minute to clear my head. I'm Desmond. Desmond Miles.

[Then, there's the unmistakable sound of a Leap of Faith, as Desmond plummets to a conveniently-placed pile of hay. He forgot to release the transmit button on his earpiece. Oops.]