shadow Domain

the shadow domain clerics are clerics chosen by the ruler of the shadow plane. how he chooses them is up to the player of the cleric, whether it's their gods have abandoned them or the cleric in question makes a deal with the ruler of the shadow plane it doesn't matter, unlike the ruler of the shadow plane's warlocks who gain their magic from the patron themselves, the shadow domain clerics gain their magic from the shadow plane and later when the ruler of the shadow plane becomes the eldritch knight the shadow domain.

Disciple of the shadows

Also starting at 1st level, you gain the spell mage armor.

Channel Divinity: shadows danger

Starting at 2nd level, you can use your Channel Divinity to summon tendrils to protect you.

As an action, you present your holy symbol and summon shadowy tendrils and appear anywhere within your vision from 10 ft away. any creatures hostile to that are with 15 ft of the tendrils must succeed a dc 15 saving throw or take 2d6 force damage and be knocked prone.

shadow protector

Beginning at 6th level, the mage armor you cast grants a plus 1 to their ac along with the benefits of mage armor.

shadowy Strike

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

Supreme shadow protection

Starting at 17th level, when you cast mage armor the modifier added onto the benefits of mage armor changes from plus 1 to plus 1d4.