Edit: After some testing, and others' reports, it appears it's a problem with anti-virus software. Just disable real-time protection while fighting Maghda, and the framerate will stabilize. It's a stop-gap, but it works.
10/17/2012 08:09 PMPosted by MordythI had a solid 60 fps before on my Nvidia gt 555m. Then I walk into the Maghda fight, and I'm at maybe 10 fps, and it gets slower and slower as the game goes on. It's literally unplayable; guess I can't get through the normal story mode until this is patched.
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