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only within the vault
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Not true. Read the grimoire. I forgot which one exactly though I'm sorry.
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the vault and other select locations such as the black garden. They can only exert their power to control existence within the vault as stated by the gorgons grimoire card. They can teleport, etc. outside the vault, but cannot time travel, alter matter at will, or manipulate the time-space continuum in places not under their direct influence.