Sceptre of Shadows is really called Scepter of Sorrow, and it is still found in Mistmoore through the flower quest, this is the same scepter used for the Necro Shadowbound Boots quest. There is another listing in this database called "a sceptre" which is linked to the SB Boots quest, and that is actually the same thing, except there the description is scepter of tears, which is totally wrong.
I believe this is the same item as the plain "sceptre" used for the wizard's weeping wand quest. I think it's just a mistake that it appears to be posted as 2 different items under the quest listing. I am going to let the web master know. You get it by picking a flower from a crypt in Mistmore and then going behind the crypt and handing it to a shadowed man. I just got mine. It shows up as "sceptre". I will cast identify on it and see if it ID's as "Sceptre of Shadows"