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The -1st element in the [periodic table]. The element contains -1 protons but has infinite mass. It is the strongest element in the universe and instantly annihilates any matter it touches. While it is a rare element, it is usually found within a star in the Jeffurious [constellation], [discovered] by Jeffury. So far humans have only managed to contain a stable form of Jeffurium for a quadrillionth of a second.
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