I agree with Silvergun to a degree so far, although I'm only up to chapter three at the moment; I got a silver statue for chapter one but a stone for chapter two, even though I have managed some platinum medals along the way. I've tried some of the alfheim challenges and quickly realised you really do need the better weapons to complete them properly (especially as I started on Normal difficulty). Do need to find more of the hearts/pearls though so I can boost my gauges a bit. And I completely forgot I earned the sword until switching off yesterday... duh. Will equip it as I start today 
I was also stuck on the witch time bridge bit until I finally worked out you could raise the statues but not trigger the effect for up to 10 seconds afterwards... duh... made that possible quite quickly!

I was also stuck on the witch time bridge bit until I finally worked out you could raise the statues but not trigger the effect for up to 10 seconds afterwards... duh... made that possible quite quickly!

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