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In Undertale: A term describing a form of death where your SOUL merges back together after being destroyed, thus making it impossible to die whilst fighting Asriel, God of Hyperdeath.
Otherwise: A form of death that strengthens your soul.
(can't think of sentence for Hyperdeath)
by ArminArlert August 26, 2017
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When you die but come back to life. This is in undertale, a game. Asriel is the god of hyperdeath.
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