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darth sidious vs. dart tray (kreia).

both are sith masters

darth traya may put up a fight but palpatine has higher foce power and could immobilize her floating lightsabers tricks

I feel like Kreia doesn't really have any feats. To me, gameplay is not necessarily feats. What she does in cutscenes is not that impressive.

Based on that I think Sidious wins.