War Criminal

Lv6: Gain the benefits of a Short Rest after killing a Hostile Creature-- Double your reserve Hit Dice
Lv7: Gain 3 Adrenaline Charges*¹ on a Short Rest, Max of 6-- Gain 5, Max of 10
Lv8: After killing a creature the nearest creature must make a Wisdom Saving Throw*² or become Frightened-- as well as any creature within 15 feet of the Slain creature
Lv9:
Lv10:
Lv11:
Lv12:
Lv13:
Lv14:
Lv15: Amplify all War Criminal Abilities
Lv16: Gain an Epic Boon
Lv17:
Lv18:
Lv19:
Lv20:
  *¹When multiple dice are rolled at once you can use an Adrenaline Charge to reroll the lowest die. This can only be used on rolls the directly effect you.
*² Wisdom Saving Throw DC for being Frightened is 8 + Intimidation Modifier