Crusader Knight (d20)

CRUSADER KNIGHT
SUBCLASS

Lvl 3
The character gains a use of Channel Divinity, they gain additional uses at 8th and 18th. The character recovers all uses of channel divinity after a short rest.
Uses
Divine Ward: The character forms a shield with hit points equal to their fighter level*3. Whenever the character takes damage the shield takes the damage instead. When the shield is reduced to 0 hit points it is dispelled. Damage in excess of the shields HP does not transfer to the character. At 5th level the character may use a reaction to interpose the shield in between an enemy attack and an ally.
Turn Undead: as a cleric of the same level

Lvl 7
Aura of Protection: Allies within 10 feet gain a bonus to saving throws equal to your proficiency. Additionally they gain resistance to damage from ranged attacks and advantage to resist being pushed back or knocked prone. The range of this Aura extends to 30 feet at 18th level

Lvl 10
Extra Fighting Style: The character gains the Protection Fighting Style. If they already have this style they may choose another from the fighter list.
Lvl 15
Improved Divine Smite: The characters strikes are infused with the energy of their patron. Whenever the character makes a Melee attack they deal an additional 1d8 radiant damage. This damage type can be changed to reflect the patron (Ie: Fire for a fire god, necrotic for a demon.)
Lvl 18 starting at level 18 you gain the ability to use earthshatter
Divine Rebuke: Once per short rest the character make call upon their deity to rebuke their enemies. A blast of force in a 15 foot cube in front of the character drives back all enemies in the area, pushing them back 20 feet and knocking them prone unless they succeed on a DC 20 Athletics or Acrobatics check. The ground in the area is turned into difficult terrain.

Spells for this class descriptions
Fire strike: 1d10 fire damage stops on impact (3 uses per1 rest)

Steadfast: makes you take 3/4 of the damage and are resistance to being knocked down and back

Charge: you run towards someone picking them up (with a strength check) and running them into a wall doing 1d8 damage with 2 rounds of exhaustion (3 uses per rest)

Earthshatter: when used earthshatter causes a 20 ft cone in front of you to turn into difficult terrain and knock everyone in said cone prone (2 uses per long rest)

Barrier field: barrier field is a 15 ft wide and 15 ft tall shield that can take 3 hits before needing repairs (1 use per repair)