Quote Originally Posted by Archangel View Post
Then it's possible Griffith already raided the place long ago

I say this because just having an Elf King pop up and heal caska sounds too easy, and TT's theory of requiring a sacrifice doesn't sound like something the good guys would come up with.
You're forgetting the plot point where Gutts is not sure if he wants Caska to be healed. The Skull Knight pretty much implied that she would also remember the her torture in the night of the eclipse.