Mage Slayer
Ability Score Increase
Increase your Strength or Dexterity score by 1, to a maximum of 20.
Concentration Breaker
When you damage a creature that is concentrating, it has Disadvantage on the saving throw it makes to maintain Concentration.
Guarded Mind
If you fail an Intelligence, a Wisdom, or a Charisma saving throw, you can cause yourself to succeed instead.
Once you use this benefit, you can't use it again until you finish a short or long rest.