Cultist Grace Slayer

Brave. The Grace Slayer has advantage on saving throws against being frightened.

Multiattack. The Grace Slayer makes two melee attacks 

Quaff 'Last Word'. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit: 9 (2d6+ 4) magic slashing damage. The quaff is a Saercian weapon that can change between a quarter staff and a great axe. If both attacks hit, a free blade bash maybe used.

'Last Word' is a magic Quaff that was used by the the Eques of Vindiction, a Saercian religious order who were found to be heretical. Upon death, Last Word allows an attack with advantage. If it hits, add an additional 3D8 of Radiant or Necrotic damage depending on the users alignment.

Blade Bash. Melee Weapon Attack: +7 to hit, reach 5 ft., one creature. Hit: 9 (1d4 + 4) bludgeoning damage. If the target is a Medium or smaller creature, it must succeed on a DC 15 Strength saving throw or be knocked prone. The attacked may also choose to push them 5 ft in any direction.

State Of Grace. The Grace Slayer can rage like a barbarian but instead of rage, the Slayer enters a state of unmatched calm and grace.

Parry. The slayer adds 3 to its AC against one melee attack that would hit it. To do so, the Grace Slayer must see the attacker and be wielding a melee weapon.