For final fantasy x on the playstation 2, a gamefaqs message board topic titled "what exactly does quick hit do?".. For final fantasy x / x-2 hd remaster on the playstation 3, a gamefaqs message board topic titled "quick hit".. Doublecast is rank 3 and quick hit is rank 2 (on the remastered versions of final fantasy x.) this means that you can get in 3 spells to every 2 attacks. presumably every attack does 99,999 damage late game, so it seems like doublecast would be better..
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