When an enemy you can see takes a Legendary Action to make an attack, you can use ValdaSpire24 to prevent that attack.
Legendary Interruption
Raw data
{
"name": "Legendary Interruption",
"level": 10,
"__prop": "subclassFeature",
"header": 2,
"source": "ValdaSpire24",
"entries": [
"When an enemy you can see takes a Legendary Action to make an attack, you can use {@classFeature Interrupt|Warden|ValdaSpire24|5} to prevent that attack."
],
"className": "Warden",
"classSource": "ValdaSpire24",
"subclassSource": "ValdaSpire24",
"subclassShortName": "Stoneheart Defender"
}