Plague Domain

In the Plague Domain you take the role of a plague doctor, curing the sick. But in the world of magic, you can plague people to aid in combat. The plague domain worship the god of disease Mirad.

Mask of the Bird

At 1st level you can craft a curing mask. Creating Curing Masks takes an hour to craft, and 100GP. The mask looks like a black leather crow mask, with glass holes for eye holes. You start with one mask, Wearing the mask grants you...

.immunity to Disease, and Air borne Damage (like poison fog, ect)

.you can also see diseases as green see through fog clouds

.you get proficiency in alchemist tools

.you also get advantage on Medicine Check

Plague

At 1st level, You can summon a horrible disease to infect a person within 60ft. The creature must make a Con save equal to your spell save DC or be Plagued. Once plagued, the creature starts to vomit uncontrollably. The creature must make a Con save against your spell save DC every time it ether moves its movement or makes a melee attack or it terribly vomits. Each vomit does 1d4 Poison Damage, can be stopped with a successful Con save against your Save DC. You can drop a plague at anytime.

Only one creature be manually plagued

Spray of Sickness

At 6th level, when a creature is plagued and they vomit, they shower a creature within 5ft with vomit. The creature must role a d4 to see the direction, 1 is forward,  2 is backwards, 3 is left, 4 is right. if They hit it makes a CON save against your Save DC, or they also get plagued.

You can also craft a Cure for any Disease, costing 15GP.

The plague Damage also includes to 2d4.

Aura of The Cured

At 8th level, Any creature that isnt hostile in 15ft of you gains immunity to Diseases and Air Borne Damage, so long they are inside the aura.

You also gain the ability to interact with objects as a bonus action.

Channel Divinity: Mass Sickness

Your Channel Divinity is used to make an area plagued, you can pick a 60ft area of Plague. The creatures inside the area are affected by the same rules of normal plague, but the first plague takes d6's instead for d4 for the first plague Damage, after that its normal plague.

Crippling Plague

At 17th level, Your Plague has gotten to the most extreme conditions, shutting down organs one by one. Once you Plague a creature, after 10 turns of not being able to find a cure, the creature gains a point of exhaustion every turn until its ether cured or dead. Once cured its brought back to normal and removes its exhaustion points earned from the plague.

Channel Divinity: Cure the Diseased

As a channel divinity, as a reaction you can pick one person who has to to a CON save and add +10 to there roll.