Buried Shaman

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."

Quarterstaff.
Melee Weapon Attack: +2 to hit, reach 5 ft., one target. Hit: 6 (1d8 + 0) bludgeoning 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.

Spellcasting.
The Shaman is a 3rd-level spellcaster. Its spellcasting ability is Wisdom (save DC 12, +4 to hit with spell attacks). The Shaman has the following spells prepared:
Cantrips (at will): shillelagh, druidcraft
1st level (3 slots): ice knife, longstrider, Restore Buried

Restore Buried.
1 action. Instantanious. Touch. No DC. Healing. Necromancy Spell.
A Buried you touch regains 1d8 + your spellcasting ability modifier hit points. Other Undead regain only half of this. Has no effect on Living beings or Constructs.
At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the healing increases by 1d8 for each slot level above 1st.

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.