Read from the World of Warcraft client build files.
How Fingers of the Night Compares
Who It Suits
Mail is the armor type Evoker, Hunter and Shaman wear. With Agility or Intellect, Fingers of the Night suits Beast Mastery, Marksmanship and Survival Hunter; Elemental, Enhancement and Restoration Shaman; Devastation, Preservation and Augmentation Evoker.
Transmog Sets
Fingers of the Night is part of the transmog set Regalia of the Witch Doctor (Shaman only). The other 16 pieces:
Built from the World of Warcraft client build files and recorded Auction House snapshots.
Where Fingers of the Night Fits
Other Items Named Fingers of the Night
4 other items in the current build are also called Fingers of the Night. Same-name entries are usually a different rank, faction, quest stage or reward track of the same object.
Blizzard numbers items as they are created, so the named items next to ID 96917 (96912 to 96922) were usually added in the same batch as Fingers of the Night: the same quest line, zone, vendor or reward set.