Chapter 5: Reveal the Guardian Citadel, also known as Chapter 5: Kain - The Pillars, was the fifth level of Legacy of Kain: Defiance. It followed Kain's journey to the Pillars of Nosgoth to uncover the mystery Moebius had claimed was "west of the Pillars", leading to Kain uncovering the Vampire Citadel.
Kain has the main objectives "Explore west of the Pillars clearing", "Solve the mystery of the western vista" and "Depart for the ancient Citadel" and the minor objectives "Search for the missing Emblem fragment", "Return to vista with Dimension Emblem" and "Use bat form to travel". The Prima Guide identifies the main objective (and chapter title) as "Reveal the Guardian Citadel" and lists the other objectives as "Acquire the Dimension Reaver", "Reach the Citadel Vista".
Prima's Defiance Guide lists the rooms in this chapter as "Connector with Stronghold Upper Tower", "Pillars Clearing", "Entrance to the Guardian Citadel Vista", "Guardian Citadel Vista point" and "Cemetery Vista point".
At the Cemetery vista point there is a large sculpture of a face, the sculpture is decorated with Soul spirals and has features which resemble wings; much of this level features angelic imagery and statues.
The entrances to the Air and Fire Forge can be seen at the Guardian Citadel Vista point and Cemetery Vista point respectively