Conflagration Domain

Thru the burning of offerings on the altar to the incineration of ones sin the Domain of Conflagration will ignite the faith within.

Gift of Magran

When you choose this domain at 1st level, you gain proficiency firearms, mauls and whips. You gain the Firebolt and Green-Flame Blade cantrips if you don't already know them.

You Gain the following additional cantrips/spells at the following levels:

1st level: Firebolt, Green-Flame Blade, Burning Hands
3rd level: Aganazzars's Scorcher, Scorching Ray
5th level: Ashardalons Stride, Fireball
7th level: Fire Shield, Wall of Fire
9th level: Conjure Elemental (Fire or Earth only), Flame Strike

Disciple of the Inferno

Also starting at 1st level, you gain resistance to fire damage, when you deal damage to a creature you can choose to scorch them forcing them to make a Constitution Saving Throw vs your Spell Save DC, on a fail the target takes extra fire damage equal to your Wisdom Modifier. You may use this feature an number of times equal to your Wisdom Modifier.

Channel Divinity: Burning Heart

Starting at 2nd level, you can use your Channel Divinity to increase your potency through self sacrifice.

As a bonus action, you present your holy symbol and evoke your burning goddess sacrificing a number of hit dice up to your proficiency bonus. Choose one creature within 90 feet of you, that creature is now marked with a burning emblem of your goddess, while marked in this way the creature cannot heal. When you deal damage to the marked creature you may choose to deal extra fire damage equal to the number of hit dice sacrificed. Dealing damage in this way removes the burning emblem.

Cauterizing Flame

Beginning at 6th level, when you deal fire damage to an enemy you may as Bonus action choose one creature within 15 feet of the target healing them for 1d8 + your Wisdom modifier.

Incerating Strike

At 8th level, you gain the ability to infuse your weapon strikes with the holy flame. Once on each of your turns when you hit a creature with a weapon attack, you can cause the attack to deal an extra 1d8 fire damage to the target. When you reach 14th level, the extra damage increases to 2d8.

All Consuming Fire

Starting at 17th level, you ignore all resistance and immunity to fire. Once per long rest you may double the amount of dice that deals fire damage for any attack you make or spell you cast.