Difficult Terrain doesn't cost you or allies within 30 feet of yourself extra movement. Additionally, you and allies within 30 feet of you are immune to the Entangle, Spike Growth, and Plant Growth spells.
Surefooted
Raw data
{
"name": "Surefooted",
"level": 6,
"__prop": "subclassFeature",
"header": 2,
"source": "ValdaSpire24",
"entries": [
"{@variantrule Difficult Terrain|XPHB} doesn't cost you or allies within 30 feet of yourself extra movement. Additionally, you and allies within 30 feet of you are immune to the {@spell Entangle|XPHB}, {@spell Spike Growth|XPHB}, and {@spell Plant Growth|XPHB} spells."
],
"className": "Martyr",
"classSource": "ValdaSpire24",
"subclassSource": "ValdaSpire24",
"subclassShortName": "Rebirth"
}