Executioner

For Hepari(Darkest Dungeon and Dragon)

Vengeance

Beginning when you choose this archetype at 3rd level, you can increase damage by decreasing your AC and attack roll. This effect remains until the beginning of your turn.

Death Sentence

Starting at 7th level, Mark one person who is not damaged. It can be used equal to your Wisdom modifier. When attacking an injured enemy your give additional 1d8 damage per turn.

Execute

At 10th level, If your death sentenced enemy's HP drops to less than half, the damage dice will be doubled when attacking that opponent.

Extraction

Starting at 15th level, If a death sentenced enemy dies or if you kills an enemy with critical attack, you recovers as much HP as your fighter level.

The door to death

At 18th level, you can use the door to death for an death sentenced enemy. If the enemy's HP is less than 100, it causes instant death. You can use it once per long rest.