Griswold's Legacy provides strong defensive values, including Faster Hit Recovery, high defenses, and high resistances. Each piece also provides an unusually large number of sockets, allowing for a large degree of customization.
The accessibility of this set is greatly hampered by its extreme rarity. Of the five set items that are Treasure Class 90 or higher, three belong in this set.
Wearing the full set grants an aura that is purely cosmetic in appearance.