Umbraisk's Eternal Shadow

Choose a target you can see within range. The target takes 15d10 Necrotic damage and be blinded, frightened, and deafened. The creature sees horrifying images and creatures and tries to attack them. Choose seven points where they appear within range and you can move them 20 feet every turn . The target is frightened by you and you can choose if they can see you and your party or not. The target suffers these effects before and after they die and if they are below a quarter of their health you can have them instantly die suffering from the effects for the rest of the duration and only then do they find out that they are dead.