Blood moon curse

Choose a creature within range. That creature must

succeed on a Wisdom saving throw or become cursed

for the duration. While cursed, the creature cannot cast

spells using spell slots of 2nd level or higher:

At Higher Levels. If you cast this spell using a spell slot

of 6th level or higher, the duration is concentration, up

to 10 minutes. If you use a spell slot of 7th level or

higher, the duration is 8 hours. If you use a spell slot of

8th level or higher, the duration is 24 hours. If you use a

9th level spell slot, the spell lasts until it is dispelled.

Using a spell slot of 7th level or higher grants a

duration that doesn't require concentration.