Choose one damage type, other than Force, whenever you finish a Short or Long Rest. You have Resistance to that damage type until you choose a different one with this feature.
Fiendish Resilience
Raw data
{
"name": "Fiendish Resilience",
"page": 162,
"level": 10,
"srd52": true,
"__prop": "subclassFeature",
"header": 2,
"source": "XPHB",
"entries": [
"Choose one damage type, other than Force, whenever you finish a {@variantrule Short Rest|XPHB|Short} or {@variantrule Long Rest|XPHB}. You have {@variantrule Resistance|XPHB} to that damage type until you choose a different one with this feature."
],
"className": "Warlock",
"classSource": "XPHB",
"basicRules2024": true,
"subclassSource": "XPHB",
"subclassShortName": "Fiend"
}