About a year...? Well, it's not as though time here ever matches up to time back home in any discernible way. Do you know if people have had less than a week pass for them in their own worlds despite being asleep for a week here?

[If at all possible, he'd really like to be back before the end of the Grail War so he can put Ideas into motion...]

...what, really? Is there some way you can keep him awake for it?