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>Sableye: A Ghost type Pokemon covered in gemstones. Ghost/Dark.
>Spiritomb: 108 spirits inhabiting a stone. Ghost/Dark.
>Cursola: A normally Water/Rock Pokemon that has lost it's Water typing due to dying. Pure Ghost.
>Runerigus: A rune slab haunted by an otherworldly spirit. Ground/Ghost.
>Houndstone: A GHOST type Pokemon with STONE in it's name. Pure ghost.
Why is GameFreak afraid of having a Ghost/Rock Pokemon?