Ravenloft: Specialty Priests of Belenus for D&D 5th Edition

I've begun development of Deities and Domains 4, it might have something to do with this place:

The deity's name is in yellow and the feat's name is bolded.  

BELENUS, the god of sun, light, and warmth (Worshiped in Tempest and the Shadowlands)

Dawnbringer

Prerequisite: Cleric with the Light Divine Domain

Thanks to your devotion, you gain the following benefits:

• When you use your Channel Divinity for Radiance Of The Dawn, each goblinoid and fey creature in the vicinity is dealt maximum radiant damage.

• You gain resistance to fire damage.

• Continual flame is a domain spell for you.

• You learn the sun bolt cantrip.  

• You learn the aganazzar’s scorcher* spell and it is a domain spell for you.

* Found in the Elemental Evil Player's Companion.