Curse Of Speak No Evil

The user casts a curse at a target, saying Speak no evil. The target must make a Dex or Con save of 15 or higher; on a failure, they take 4d6 necrotic damage and get the silence conditions, and they get one illness or disease dm choice They can reroll the checks at the end of their turns on a success; they instead only take half damage and don't get any conditions if you are not Abbathor or his chosen take 2d6 necrotic damage