Blade of the evil in the soul

when Added to an blade it turns into an shadow that is transparent.

On a hit, the target takes necrotic damage equal to 3d6 plus your spellcasting ability modifier.

the shadowy blades makes an copy of the user were the user can see in 30ft that has 20 health

but spell ends when it goes in to sun light or when the user is in the sunlight

Using a Higher-Level Spell Slot. The damage increases by 1d6 for each spell slot level above 2.