Encumbering Soul Hex

As a level 3 character lvl when the hex is cast it has +3 to atk and 2d8 + cha modifier, against a target you can see and increases 1d8 with every 3 character lvls. The target takes -3 to con or dex saves. The spell is dispelled when the caster is unconscious, or either the caster or target has died.