This item goes in the BACK, SECONDARY slot.
It was added in the The Shadows of Luclin expansion.
It can be used by the following classes: Paladin, Shadow Knight
The item is ranked best in slot for Paladin, Shadow Knight in The Shadows of Luclin.
The item is ranked #2 in slot for Paladin, Shadow Knight in The Planes of Power.
Link to Allakhazam: Shield of Mental Fortitude
