Bead of Necrotic Curse

Use the Circle of Death spell to infuse the Bead of Force with a necrotic property, on a hit it will curse the target indefinitely causing 9d6 necrotic damage and a new hit point maximum for the target, every long rest target gets there hit point maximum reduced by 2d6, target is now resistant to necrotic damage until cured, unarmed strikes now cause necrotic damage until cured, to dodge the Bead you must succeed a DEX saving throw of DC 15, if hit make a CON saving throw with a DC of 16, if you succeed the DEX saving throw it causes all plants and objects in a 10ft radius behind you to die, if you succeed a CON saving throw you just take the damage but no curse, failing on both please refer to the beginning of the description for information on damage, While cursed you get disadvantage on skill rolls for Animal Handling, Arcana, Intimidation, Medicine, Perception and stealth, and saving rolls for Charisma and Constitution, and you do 1d4 less damage on all attacks. All creatures in a 10ft radius of the target afflicted by the Bead of Necrotic Curse takes 3d4 Necrotic damage and is pushed back 10ft.