[quote=@Shadow Dragon]
<Snipped quote by Dynamics>

Is it like a tether? Does he need a continual stream to use his power?
[/quote]

No, but it can drastically increase.

[quote=@Realmatic]
<Snipped quote by Dynamics>

That's what I was asking--in which spatial dimensions can he travel? If he can travel in the fourth dimension, I can go farther.

<Snipped quote by Shadow Dragon>

If I can find out what that is, I can certainly try.
[/quote]

Seal off as many as possible. Start with the lower.