Mage Slayer

FeatPHBp. 1682014

You have practiced techniques useful in melee combat against spellcasters, gaining the following benefits:

When a creature within 5 feet of you casts a spell, you can use your reaction to make a melee weapon attack against that creature.
When you damage a creature that is concentrating on a spell, that creature has disadvantage on the saving throw it makes to maintain its concentration.
You have advantage on saving throws against spells cast by creatures within 5 feet of you.

Raw data

{
  "name": "Mage Slayer",
  "page": 168,
  "__prop": "feat",
  "source": "PHB",
  "entries": [
    "You have practiced techniques useful in melee combat against spellcasters, gaining the following benefits:",
    {
      "type": "list",
      "items": [
        "When a creature within 5 feet of you casts a spell, you can use your reaction to make a melee weapon attack against that creature.",
        "When you damage a creature that is {@status concentration||concentrating} on a spell, that creature has disadvantage on the saving throw it makes to maintain its {@status concentration}.",
        "You have advantage on saving throws against spells cast by creatures within 5 feet of you."
      ]
    }
  ],
  "reprintedAs": [
    "Mage Slayer|XPHB"
  ]
}