Here is the compilation document with the background and all the Knights revealed so far.
Document 1- Intro, backstory of the Knights, and Anduren
Document 2 - Simbak and Urbier
Document 3 - Septimus and Ilaren
Document 4 - Ordarg and Las
Document 5 - Tarshel and Vav
Document 6 - Shiel and Taelt
Document 7 - Ak'dur and Xergel