Ice rimes you and your prey, protecting you and slowing them. When you cast Hunter's Mark, you gain Temporary Hit Points equal to 1d10 plus your Ranger level.
Additionally, while a creature is marked by your Hunter's Mark, it can't take the Disengage action.
{
"name": "Hunter's Rime",
"page": 21,
"level": 3,
"__prop": "subclassFeature",
"source": "FRHoF",
"entries": [
"Ice rimes you and your prey, protecting you and slowing them. When you cast {@spell Hunter's Mark|XPHB}, you gain {@variantrule Temporary Hit Points|XPHB} equal to {@dice 1d10} plus your {@class Ranger|XPHB} level.",
"Additionally, while a creature is marked by your {@spell Hunter's Mark|XPHB}, it can't take the {@action Disengage|XPHB} action."
],
"className": "Ranger",
"classSource": "XPHB",
"subclassSource": "FRHoF",
"subclassShortName": "Winter Walker"
}