Homebrew
Curse of Frailty
1-level Abjuration
Casting Time: 1 action
Range/Area: 60 feet
Components: V, S
Duration: Concentration, up to 1 minute
Attack/Save: Constitution saving throw
You weaken one creature’s body with a wasting curse.
The target must make a Constitution saving throw. On a failed save, it is cursed for the duration.
While cursed, the target subtracts 1d4 from the first weapon damage roll it makes on each of its turns.
The target also has disadvantage on Strength checks.
At the end of each of its turns, the target may repeat the saving throw, ending the curse on a success.
At higher levels: You may spend 1 Soul Shard when you cast this spell. If you do, the target also subtracts 1d4 from the first Strength or Constitution saving throw it makes before the spell ends.