Still think the best option is the embrace and expansion of the Hunter options.
Minigiant's Homebrew Favored Enemy
Beginning at 1st level, you have significant experience studying, tracking, hunting, and even talking to a certain type of enemy.
Choose a type of favored enemy: aberrations, beasts, celestials, constructs, dragons, elementals, fey, fiends, giants, monstrosities, oozes, plants, or undead. Alternatively, you can select two races of humanoid (such as gnolls and orcs) as favored enemies.
You have advantage on Wisdom checks to track your favored enemies, Intelligence checks to recall information about them, and Charisma checks to coerce information from them.
When you gain this feature, you also learn one language of your choice that is spoken by your favored enemies, if they speak one at all. If they do not speak a language, If they do not speak a language, you can communicate simple idea to them with sounds and gestures.
In addition you gain one of a Hunter's Training option associated or appropriate with your favored enemy.
Minigiant's Homebrew Favored Enemy
Beginning at 1st level, you have significant experience studying, tracking, hunting, and even talking to a certain type of enemy.
Choose a type of favored enemy: aberrations, beasts, celestials, constructs, dragons, elementals, fey, fiends, giants, monstrosities, oozes, plants, or undead. Alternatively, you can select two races of humanoid (such as gnolls and orcs) as favored enemies.
You have advantage on Wisdom checks to track your favored enemies, Intelligence checks to recall information about them, and Charisma checks to coerce information from them.
When you gain this feature, you also learn one language of your choice that is spoken by your favored enemies, if they speak one at all. If they do not speak a language, If they do not speak a language, you can communicate simple idea to them with sounds and gestures.
In addition you gain one of a Hunter's Training option associated or appropriate with your favored enemy.
- Ankle Buster You've trained to aim low and hard. Your weapon attacks have a bonus to damage rolls equal to the number of feet your target has.
- Armor Piercer You excel at driving in blow whenever your attack slip through the gaps of armor. When you hit a creature wearing armor, the creature takes an extra 1d6 damage. You can deal this extra damage only once per turn.
- Banisher Your training is focused on sending extraplanars back to their homelands. You have +2 to hit with attack rolls agianst aberrations, celestials, elementals, fey, fiends, and undead.
- Colossus Slayer. Your tenacity can wear down the most potent foes. When you hit a creature with a weapon attack, the creature takes an extra 1d8 damage if it’s below its hit point maximum. You can deal this extra damage only once per turn.
- Giant Killer. When a Large or larger creature within 5 feet of you hits or misses you with an attack, you can use your reaction to attack that creature immediately after its attack, provided that you can see the creature.
- Horde Breaker. Once on each of your turns when you make a weapon attack, you can make another attack with the same weapon against a different creature that is within 5 feet of the original target and within range of your weapon.
- Lone Stalker Seclusion frees your ire to draw completely on your prey. When you hit a creature with a weapon attack, you can take a bonus action to make an additional attack against the creature with the same weapon if you have no allied nor hostile creatures within 20 feet of you.
- Mancatcher Your dedication to anatomy focuses your sight to the weakness of the body of man. Your weapon attacks against humanoids score a critical hit on a roll of 18, 19, or 20
