Slayer u/Akaineth

Rangers who specialize in hunting down only the most terrifying monsters are called Slayers. As a Slayer you learn specialized tactics to deal with these unnatural threats, utilizing their characteristics against them and defying their terror.

Offset the balance

Starting at 3rd level you've learned to utilize a targets vulnerabilities that come with an increased size. Your Eye for Weakness feature gains the following additional condition for applying extra damage:

• the target is size Large or larger.

Slayer's Sense

At 3rd level, you gain the ability to peer at a creature and magically discern how best to hurt it. As an action, choose one creature you can see within 60 feet of you. You immediately learn whether the creature has any damage immunities, resistances, or vulnerabilities and what they are. If the creature is hidden from divination magic, you sense that it has no damage immunities, resistances, or vulnerabilities. You can use this feature a number of times, equal to your Wisdom modifier (minimum of once). You regain all expended uses of it when you finish a long rest.

Determined Huntsman

Starting at 7th level, When you are forced to make a saving throw against an illusion or an effect to charm you, you can add your Focus Die to the roll.

Additionally, you are immune to being frightened.

Cornered prey

At 11th level, you've learned to react to your target's every move. As a reaction when a creature that you have attacked since the start of your last turn, ends its turn, you can make one attack and move up to half of your movement speed. You can move before or after your attack.

Enhanced weapons

At 15th level, you have mastered using the weaknesses of your enemies to such a degree, their strengths can't save them. If a creature has resistance to damage you deal to it, you can ignore the resistance.