Hex

1 bonus action, 27 meters, 1 hour concentration.
The curse is place on a criature that you can see.
Util the spell ends, you deal 1d6 necrotic extra
damege to the target on attacks. Also, choose one
ability. The target has disadvantage on ability
checks made with the chosen ability. If the target
have 0 hit points, use a bonus action to curse.
{3} 8 hours concentration.
{5} 24 hours concentration.