If damage reduces you to 0 hit points, you must make a Constitution saving throw with a DC of 5+the damage taken, unless the damage is radiant or from a critical hit. On a success, you drop to 1 hit point instead.
Undead Fortitude
Raw data
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"name": "Undead Fortitude",
"page": 282,
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"entries": [
"If damage reduces you to 0 hit points, you must make a Constitution saving throw with a DC of 5+the damage taken, unless the damage is radiant or from a critical hit. On a success, you drop to 1 hit point instead."
],
"raceName": "Zombie",
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