Lunar Knight6

Warriors blessed by the moon, Lunar Knights are bearers of the sacred power of moonlight, and devoted acolytes of Mawu. These warriors double as auguries and are changeable and unpredictable in nature. The order often call the Mawu by the old names
Bringers of Light
The main duty of a Moonlight Warrior is to act as lighthouses for those who wander lost in despair, amidst the shadows. The moonlight offers comfort and protection, brings knowledge to those open to interpret its signs, and expose those who operate on the shadows.

Enemies of Darkness

They also oppose creatures who serve the darkness or oppose the purity of the moonlight, such as evil lycanthropes and undead creatures, specially those with ties to the Shadowfell, like shadows.

Level 3: Spellcasting

Moon priest spellcasting. You gain 2 cantrips and 3 first level spells when you first gain this feature. Your spell slot progression is the same as Eldrich Knight. Your WIS is your primary casting stat.

Level 3: Moonshine Ichor

At 3rd level, When you finish a long rest, you can fabricate moonshine ichor.
You can choose to use your action and carefully coat a melee weapon with it, blessing it with the power of moonlight. For the next minute, you cause additional 1d8 radiant damage with attacks using this weapon.

Level 7: Silver Revenge

At 7th level, when you reach 0 hit points the moon takes revenge on the creature that felled you. Moonbeam is cast centered on that creature. The spell level of this casting is half your fighter lvl (minimum 2) and does not require concentration. Once this feature is activated it cannot be activated again until you finish a long rest.

Solstice

At 10th level, the long nights filled with blood and moonlight have forged you into a powerful lunar warrior. Once per long rest you may choose from the following options based on the phase of the moon you resonate with:

Solstice

At 10th level, the long nights filled with blood and moonlight have forged you into a powerful lunar warrior. Once per long rest you may choose from the following options based on the phase of the moon you resonate with:

Full Moon: you cannot be Frightened.

New Moon: as a bonus action you can turn invisible as per the rules of the invisibilty spell.

Cresent Moon: you have resistance to radiant OR necrotic damage,

Moon Avatar

Starting at 15th level, you can cast moonbeam at will, without spending spell slots. Wisdom is your spellcasting ability for this spell.
In addition, you can always replace the damage of your weapon attacks with radiant damage

Lunar Envoy

At 18th level as a high ranking and powerful knight you have the privilege of calling down an emissary of the moon to aid you. You can cast the summon celestial spell at 5th lvl once per long rest and while the summoned celestial is present you benefit from all the effects of the Solstice.