It is difficult magic, yes. Not very many people can cross dimensions, and most of the people who can do it are only able to manage it once.
[He sighs, the smile twisting into sort of a thoughtful pout.]
But there's something in this dimension that's blocking that sort of travel altogether. The last time this happened-- [Celes, death and fear and] --there was a curse involved. [Okay it was a lot more complicated than that, but that's neither here nor there.]
But I don't sense any curses, specifically, or any magical interference like in Lecourt. I could try a shield, and try to teleport inside the shield I suppose, but that amount of magic....