A witchslayer is a warrior focused on fight magic users and hunt witches.

Magic Purge

At 3rd level, your study of the supernatural gives you a limited ability to use magic. As an action, you can cast Remove Curse and Dispel Magic at will. Wisdom is your spellcasting ability for these spells.

Weapon Bond

At 3rd level, you learn a ritual that creates a magical bond between yourself and one weapon. You perform the ritual over the course of 1 hour, which can be done during a short rest. Once you have bonded a weapon to yourself, you can't be disarmed of that weapon unless you are incapacitated. If the weapon isn’t magical, it becomes a magic weapon.

Arcane Resistance

At 7th level, you become immune to charm and gain resistance to force and psychic damage.

Auravision

At10th level, if you are able to see, you gain the ability to sense the presence of magic within 30 feet of you. You see a faint aura around any visible creature or object in the area that bears magic, and you learn its school of magic, if any. 

Magekiller

At 15th level, you deal +1d6 damage against any spellcasting creature.

Spellbreaker

At 18th level, after you successfully use your Magic Purge feature, you gain 10 temporary hit points. These temporary hit points last for one hour or until expended.