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Arceus-Ghost immune to Ghost-type move
Turn 22 of this replay, a Ghost-Arceus is immune to the opposing Arceus's Shadow Claw:
http://www.pokemonshowdown.com/replay/uberssuspecttest-15559472
I looked through the research thread and the relevant poke/item/move pages on Smogon and Veekun...
Username: CountXero
Age: 22
Pokemon Online/Shoddy Username: CountXero
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