Fiend Fever (5e Curse)
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Fiend Fever
A creature under the effect of Fiend Fever has their type changed to fiend. They also gain a vulnerability to radiant damage. If the curse is not cured within 5 (1d8-1) hours, their skin turns grey and their eyes turn yellow. They also get a disadvantage on rolls to charm a creature, but an advantage on rolls to intimidate. If the curse is not cured within an additional 2 (1d4) days, they receive a 1d20+5 decrease to their HP maximum, and they gain claws on their hands and feet, causing unarmed damage to deal slashing damage instead. Finally, they grow a long, thin tail, and their alignment changes to neutral evil. A Greater Restoration spell cures the curse, preventing it from progressing, and removes the alignment change. All other physical changes are permanent, and can only be reversed with a Wish spell or similar.
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