Coral Wraith

Undead Fortitude. If damage reduces the Shell to 0 hit points, it must make a Constitution saving throw with a DC of 5 + the damage taken, unless the damage is radiant or from a critical hit. On a success, the Shell drops to 1 hit point instead.
Coral Spikes: This creature can deal 1d6 Damage on any attacker within 5 feet if they fail a DEX save DC 12
Fearless Hunters: This creature is immune to turn undead As well as Fear

Multi-Attack: This creature can use its Coral stab action if it uses it on the same target as its Slam action this turn

Slam
Range 5 Ft
+ 4 to hit Target takes 2d6 Bludgeoning

Coral stab:
Range 5 Ft
+ 6 to hit Target takes 2d6 Piercing Damage Creature must make a CON save dc 14 or take an extra 1d6 damage from the bleeding this wound causes
  
Revive Dead:
Range 5 Ft
This creature bites a dead character/creature and turns it into Another Coral wraith if its humanoid or a undead version of its creature, No matter what this newly turned creature will help the wraith in combat

Consume: This creature heals 6 hp 

Reactionary Coral Stab:
Range 5 Ft
+ 6 to hit Target takes 2d6 Piercing Damage Creature must make a CON save dc 14 or take an extra 1d6 damage from the bleeding this wound causes
 (this can only be done once per turn an only on an attacker thats within range)