Group 1:
Immune (1): LotR: Fellowship
Boot (1): Star Wars Ep VI
Group 2:
Immune (1): Star Wars Ep V
Boot (1): Sin City
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Nominate Balthier/Dr. Cid for the Greatest Game Rivalry Contest
Also Tidus/Jecht, Squall/Seifer, Sora/Riku... but mostly Balthier/Dr. Cid :)