Juggernaut Plate Boots are massive boots in Dragon Age: Origins.
These boots are part of the Juggernaut armor set.
Can be looted from the Revenant which spawns if the Warden disturbs the ashes of the tomb located in the eastern part of the Brecilian Forest as part of The Mage's Treasure quest.
If it is the second time you visit this area, there will be two Ogres
nearby the tombstone.