It took awhile for me to figure out how this Dark Brotherhood passive works. After three days of receiving no 'Shadowy Supplier' hireling mails I finally found this video. Wanted to share it for any others that might have trouble figuring out this passive.
https://www.youtube.com/watch?v=cdtO6KPv8Q0
(Or, if you have no time to watch the video, the Shadowy Supplier is in the Outlaw's Refuge and will give you your choice of a helpful item once per day.)
PC/NA, Level 50 * Current Champion Points: 1600+
Cyndril - Bosmer Vampire Nightblade - Dual Wield Blades and Bow
***Member of the closed early beta group, The Psijic Order***
Guest on first ESO LiveMy ESO fan art and comics