Bloodthirst
Prerequisites: Chaser, 18 STR
Static
Effect: You can tell if a target is under 50% HP. In addition to this, whenever a hostile target is below 50% HP, your active Pokemon gains 1 Speed Combat Stage.  This Speed Combat Stage fades when no hostile targets are below 50% health, and you do not gain multiple Combat Stages when multiple enemies are under 50% HP.

Finish Them!
Prerequisites: Chaser, Bloodthirst
Daily - Every 10 levels gained, you may perform this Feature another time per day.
Target: Your Pokemon using a damaging Move.
Effect: Declare this Feature when a Pokemon hits with Move with a Damage Dice Roll. If the Move’s target has less than 20 HP after dealing damage, the pokemon faints.