Fel Paladin

Whether you were captured and forced into service or joined them willingly, you have sworn an oath to serve the Fel demons.

Tenets of the oath:

Absolute Chaos: All that the demons strive for is death and disruption. They want to tear down everything that works, and make it not work.

Fire and Brimstone: The fel demons love their gaseous fel energy - use it and spread it around. Even better, kill people with it!

Channel Fel

When you take this oath at 3rd level, you gain the following two Channel Divinity options.

Fel Weapon. As an action, you can imbue your weapon with fel energy using your Channel Divinity. For 1 minute, each time you attack with the weapon it leaves behind a cloud of Fel gas that deals 5 fire damage to enemies that walk through it.

Death and Destruction. As an action, you present your demonic symbol and announce yourself an avatar of the Fel. All fiendish creatures that can see or hear you within 30ft of you enter a frenzy and will attack the nearest creature.

Aura of Damnation

Beginning at 7th level, you and all allies within 10 feet of you have advantage on attack rolls against creatures that need to breathe.

Fel Structure

Starting at 15th level, you are always under the effects of the Antimagic Field spell. (Errata: Fel and Runic magic are unaffected by this spell)

Demonic Guard Dog

Starting at 20th level, you have become a truly loyal servant to the Fel demons, to the extent that you are unrecognisable from one of them to untrained eyes. Your origin counts as Fel for all effects, and your size increases by one level. In addition, each time you use your Channel Divinity, you gain one 4th level spell slot.