Though careful training focusing on their natural weapons, these monks learn to tame there fiendish heritage and cultivate the fey and infernal magic within them.

This class is exclusive to Feyfernals.

Infernal Blood

Through careful training, you have learned to access your infernal blood without being corrupted by it.

The you choose this subclass, you gain a resistance to fire.

Hair of the Feyfernal

3rd-level Way of the Feyfernal feature

Your mastery of your ki allows you to channel it into your ki. As a bonus action, you can spend 1 ki point to summon a flurry of hair-whips. When you do so, each creature of your choice that you can see within 10 feet of you must succeed on a Dexterity saving throw or take piercing damage equal to two rolls of your Martial Arts die. 

For 10 minutes, your hair hovers near your shoulders or surround your arms (your choice). You determine the general shape, but it still has the texture of your hair. While using your ki-infused hair, you gain the following benefits:

• You can use your Wisdom modifier in place of your Strength modifier when making Strength checks and Strength saving throws.
• You can use the spectral arms to make unarmed strikes.
• When you make an unarmed strike with the arms on your turn, your reach for it is 5 feet greater than normal.
• The unarmed strikes you make with the arms can use your Wisdom modifier in place of your Strength or Dexterity modifier for the attack and damage rolls, and their damage type is piercing.

Hair of Influence

6th-level Way of the Astral Self feature

While a creature is bound by your ki-infused hair you can use your fey medical to charm them. As a bonus action, or as part of the bonus action you take to grapple a humanoid creature with your hair., you can spend 1 ki point to charm a grappled humanoid for 10 minutes. It vanishes early if you are incapacitated or die.

While the humanoid is charmed, you gain the following benefits.

  Hakiyah's Influence. The grappled humanoid must succeed on a wisdom saving throw. On a failed save, the humanoid is affected by the zone of truth spell.

Fiendish Tounge. You have advantage on Wisdom (Insight) and Charisma ([skill]Persuasion/skill]) checks with the grappled humanoid which, on a successful check, will remain in effect after being released from the grapple.

Word of the Spirit. Your hair can act move and manipulate objects as if it were a mage hand and has the same limitations as the spell.

Body of Tresses

11th-level Way of the Feyfernal feature

When you have infused your hair with ki, you can cause your hair to cover your body (no action required). This hair covers your physical form like a suit of armor. You determine its appearance.

While the hair covers your body, you gain the following benefits.

Deflect Energy. When you take acid, cold, fire, force, lightning, or thunder damage, you can use your reaction to deflect it. When you do so, the damage you take is reduced by 1d10 + your Wisdom modifier (minimum reduction of 1).

Empowered Strikes. Once on each of your turns when you hit a target with your ki-infused hair, you can deal extra damage to the target equal to your Martial Arts die.

Fey and Infernal Harmony

17th-level Way of the Feyfernal feature

Your connection to your fey and infernal heritage is complete, allowing you to unleash your full potential. As a bonus action, you can spend 5 ki points to awaken both your fey and infernal heritage for 10 minutes. This awakening ends early if you are incapacitated or die.

While your full potential is awakened, you gain the following benefits.

Armor of the Devil. You gain a +2 bonus to Armor Class.

Fey Fury. Whenever you use the Extra Attack feature to attack twice, you can instead attack three times if all the attacks are made with your ki-infused hair.