Sif is all about movement, all her attacks are avoidable if you know when and how to roll/move. It is a bitch of a fight though do don't feel bad about jacking it in and coming back later. The fight it's necessary until you want to kill the boss of New Londo Ruins.
Oh crap, that's not good for my current guy
I need to find some lighter armour, using a katana
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