The eight studio album from the band and their final release for Atlantic Records, originally released in 2005.

Tracks:

Side 1:

1. The Root of All Evil
2. The Answer Lies Within
3. These Walls

Side 2:

1. I Walk Beside You
2. Panic Attack

Side 3:

1. Never Enough
2. Sacrificed Sons

Side 4:

1. Octavarium: I. Someone Like Him II. Medicate (Awakening) III. Full Circle IV. Intervals V. Razor's Edge

Label: Atlantic