[With the usual caveats of sorry if this has been discussed before]
Something I have thought about for a while, and which I am always reminded of when watching again, but I feel Elsa's choice of Grail is ambiguous to say the least. After she hands her choice to Donovan she has a strange look on her face. Something like a half smile that belies an element of disgust. Her response after he dies is along the lines of 'of course the Grail won't be made of gold' as if she knew this all the time.
So I suppose the question is does Elsa purposefully choose the wrong Grail in LC?