Whenever an ally within 10 feet of you is hit by an attack roll, you can take a Reaction to make a ranged attack using a weapon against the attacker.
All for One
Raw data
{
"name": "All for One",
"level": 14,
"__prop": "subclassFeature",
"header": 2,
"source": "ValdaSpire24",
"entries": [
"Whenever an ally within 10 feet of you is hit by an attack roll, you can take a {@variantrule Reaction|XPHB} to make a ranged attack using a weapon against the attacker."
],
"className": "Gunslinger",
"classSource": "ValdaGunslinger",
"subclassSource": "ValdaSpire24",
"subclassShortName": "Musketeer"
}