Mage Hunter

You have learned 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 a Disadvantage on the saving throw it makes to maintain its concentration.
• You have an Advantage on saving throws against spells cast by creatures within 5 feet of you.