Mystic colour 1 - 4089 to 4098
Mystic colour 2 - 4099 to 4108
Mystic colour 3 - 4109 to 4118

Slayer's staff - 4170 or 4171

beginers wand - 6908 or 6909
apprentice wand - 6910 or 6911
teacher wand - 6912 6913
master wand - 6914 or 6915

necromance's book - 4837
abyssal book - 5520

rogue mask - 5554
rogue top - 5553
rogue shorts - 5555
rogue boots - 5557
rogue gloves - 5556

there are black robes but you would have to search through about 20 codes to find them, if you want them i will give u the robes list that they are in.
ill keep looking for more dark, evil like things.