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If Periscorp's eyes look familiar, you must have gazed upon the pupils of Psychic Island's critters! Periscorps share a feed with those all-seeing eyeballs, storing its favorite footage within its gelatinous dorsal sacs. When these sacs are agitated by Periscorp's dual stingers, they play a brief soundbite from their stored footage - who knew the Psychic Island critters had ears, too?