Mage hunter

You have dedicated yourself to the slaying of magic weilders.

Mage slayer

Beginning when you choose this archetype at 3rd level, you gain the mage killer feat if you do not already have it. You also gain proficiency in Arcana if you do not have it already.

Think like a mage

Starting at 7th level, you can use and operate any and all magic items regardless of prerequisites.

Superior critical

Also at 3rd level, when you make an attack role you get a critical hit on a roll of 19 or 20.

Opertunistic escape

At 10th level, when a hostile creature Teleports away from your melee range, you can make an opertunity attack against them. In addition if you hit a hostile creature while they are teleporting, they must make a concentration check or have their spell fail.

Anti-magic Critical

Starting at 15th level, when you land a critical hit, any spell effects on the target are instantly dispelled.

Magic shield

At 18th level, you attain the pinnacle of magic resistance, you gain immunity to all spells of 3rd level or lower.