Spoiler:
If I had to guess, he's either preparing her to fully embody the grail, or he's going to try to control her... like Zouken did to Sakura.
If that bastard doesn't get the hell away from my girl, I will rip him limb from limb and feed him his own colon.
Arg. Why do the translations have to be so far behind?! I need to understand what's going on! *worries and frets*