Hex

Duration: 1 hour, Concentration
You place a curse on a creature and deal an extra
1d6 necrotic when you damage it. The target has
disadvantage on all skills related to one ability of
your choice. If the target drops to 0 HP before the
end of the spell, you can move the curse onto
another target as a bonus action. A remove curse
ends this spell.
At Higher Levels. 3rd = 8 hours, 5th = 24 hours