Flame Warden

A homebrew subclass for Fighter by ThePadawanDM based on firebenders from Avatar the Last Airbender.

Fire Bending

3rd-level Flame Warden feature

Beginning when you choose this archetype at 3rd level, you gain the cantrip produce flame. You can cast this spell without providing verbal components. The spell's damage increases by 1d8 when you reach 7th level (2d8) and 15th level (3d8) .

Casting this spell counts as an attack for you. If you're able to make multiple attacks with the Attack action, this spell can replace only one of them. Charisma is your spellcasting ability for this spell.

Hand to Hand Combat

3rd-level Flame Warden feature

You gain the fighting style Unarmed Fighting. If you already have Unarmed Fighting, you can choose a different fighting style you don't already have.

Close Quarters Adept

7th-level Flame Warden feature

Beginning at 7th level, you no longer have disadvantage on ranged spell attack rolls for being within melee range of a hostile creature.

Firefighter

7th-level Flame Warden feature

Also, at 7th level, you gain fire resistance.

Ferocious Fire

10th-level Flame Warden feature

Beginning at 10th level, when you deal fire damage, you can cast produce flame as a bonus action.

Fire Bending Master

10th-level Flame Warden feature

Also at 10th level, you gain access to the spells fireball and lightning bolt. You can cast either of these spells a number of times equal to your Charisma modifier per long rest. The spells are cast at level 3 but, you can expend an extra charge or two to cast fireball at a higher level (max level 5). You can cast this spell without providing verbal or material components. Charisma is your spellcasting ability for these spells.

Phoenix Fire

15th-Level Flame Warden feature

Beginning at 15th level, when you drop to 0 hit points, you can cast fire storm immediately with your body being the center. You do not take any damage from this yourself. You heal a number of hit points equal to the number of creatures that take damage with this ability. You can use this feature once per long rest.

The Immolator

18th-level Flame Warden feature You gain immunity to fire damage. Also you ignore enemy fire resistance, and immunity to fire damage is instead treated as resistance.