Darkness (2000–2015)
- Darkness Descending (2000)
- Into the Darkness (2000)
- This Present Darkness / Piercing the Darkness (2000)
- Rulers of the Darkness (2002)
- Through the Darkness (2002)
- Jaws of Darkness (2004)
- Daughter of Darkness (2005)
- Out of the Darkness (2005)
- The Enchantress (2005)
- Step Into Darkness (2006)
- Beyond the Darkness (2015)