[quote=@Zyx]
<Snipped quote by Server>

>No, not unless he gets the ability to from somewhere external - like someone teaching him some technique or something - as even in the source material travel to other realities in the same continuity could only be done via a portal created by a ritual. Assuming you're not on the same level as the Darkness or God naturally.
[/quote]

So you're thinking someone notices the disturbance in his dimension and decides to check it out?