Battle Priest of the sun

to those that would consume the world in darkness and destroy all in its way you are the light thats will vanquish it

Bonus Proficiency

When you choose this domain at 1st level, you gain proficiency with heavy armor.

Disciple of Fire

Also starting at 1st level, your fire spells are more effective. Whenever you use a spell of 1st level or higher involving fire to a creature, the creature recives double damage

Channel Divinity: burn the heratic

Starting at 2nd level, you can use your Channel Divinity to burn over time.

As an action, you present your holy symbol and evoke damage over time fire of 2d4 for 1 round

Blessed Healer

Beginning at 6th level, the healing spells you cast on others heal you as well. When you cast a spell of 1st level or higher that restores hit points to a creature other than you, you regain hit points equal to 2 + the spell’s level.

Divine Strike

At 8th level, you gain the ability to infuse your weapon strikes with divine energy. 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 radiant damage to the target. When you reach 14th level, the extra damage increases to 2d8.

Supreme Inferno

Starting at 17th level, when you would normally roll one or more dice to cause fire with a spell, you instead use the highest number possible for each die. For example, instead of causeing 2d6 hit points to a creature, you cause 12.