Buried Warrior Shield Bearer

Headless.
Due to the Headless nature of the Buried, they have disadvantage on all Wisdom (Perception) checks."To complete their ritual, the Buried joined a mass suicide via decapitation. Some would try and leave before this, but were forced to participate by others."

Shield Bearer.
These warriors carry great shields in recognition of "Olar the Shield". Whilst equipped, these shields impose disadvantage on Dexterity (Acrobatics) checks made by this entity. Grants +3 AC. Grants Half cover to all allied entities within 5 feet.

Warhammer.
Melee Weapon Attack: +5 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 3) bludgeoning damage.

Javelin.
Ranged Weapon Attack: +4 to hit, range 30/120 ft., one target. Hit: 5 (1d6 + 3) piercing damage.

Spirit Walk.
As an action, instantly move to a point within 15ft as long as there is space. You also enact the Dodge action freely. "The Buried disappear and reappear at a location nearby in a cloudy haze of chilly, blue mist.

Spirit Travel.
As a reaction to being attacked, or an enemy moving next to you. Instantly move to a point within 15ft as long as there is space.

If the enemy attack has enough range and can still feasibly hit you, it is made disadvantage. Otherwise, the enemy rolls a DC12 Dexterity ability check, on a success, the enemy can cancel the attack and regain any spent resources/actions. If the enemy fails, the attack continues, but misses automatically.

Shield Sacrifice. 
As a reaction to taking damage, this Warrior may sacrifice their shield to reduce taken damage by 7. The shield then becomes destroyed and the Warrior will wield their weapon with both hands, increasing their Warhammers damage to 1d10+3.

Shield Wall.
As a reaction to using the Dodge action, gain +2 AC until your Dodge action ends.