You are immune to poison damage, and you can't be poisoned. You don't require air, food, drink, or sleep.
Undead Nature
Raw data
{
"srd": false,
"name": "Undead Nature",
"page": 282,
"type": "entries",
"__prop": "raceFeature",
"source": "DMG",
"entries": [
"You are immune to poison damage, and you can't be {@condition poisoned}. You don't require air, food, drink, or sleep."
],
"raceName": "Zombie",
"basicRules": false,
"raceSource": "DMG"
}