Arcane Soul: Draconic Nymph

You create a huge, draconic claw made of shadow magic. Make a ranged spell attack. On hit, inflict 1d8 of Slashing Damage. 

As an action, you can spend 1 Sorcery Point to choose one creature that you can see and it's provided that creature can't see you. You marked that creature with the Rose of Disharmony. On your next turn, when you attack a marked creature with this cantrip, inflict additional necrotic damage equal your spellcasting ability modifier, then, the creature is involved in dark magic that restrained them. A restrained creature's speed movement become 15 and if its flying, it is put against the floor. One of the creatures hand is involved in chains and can't use that hand. If both hands are occupied, the creature put down one object is wielding. The creature has disadvantage on Dexterity checks or saving throws.

At the start of each of that creature turn, they can make a Strength saving throw to break the chains (DC14). 

You must be on darkness or have glim of shadows near of you to cast this cantrip. Radiant light of magic can make your claw disappear and the chains are destroyed by a powerful source of light, as the sun. 

At higher levels: This spell damage is increase 1d8 at 6th level, 10th level, 14th level and 18th level.