A 700MB file for a 104-minute action movie will likely have "blocking" (pixelation) during the fast-paced kung fu scenes.
The original 700MB release had a 5.1 AC3 track that would fall out of sync during the fight in the Temple of the Immortals. The fixed version re-muxed the audio using a delay flag or re-encoded the track using a different source (often the DVD’s 5.1 track) to match the BluRay video. the forbidden kingdom 2008 bluray 720p 700mb fixed