When Does "Demon Knights" #16-23 (2013) Take Place?
"Demon Knights" #16 "The Gathering Storm" to "Demon Knights" #23 "The Balance of Things" are historical fiction fantasy comic-books written by Robert Venditti that premiered January 16, 2013. So when is "Demon Knights" #16-#23 set?
It takes place on the fictional DC Comics Universe timeline in the year:
We know this because at the very start of "Demon Knights" #16 a time setting textbox tells us it is "1043 A.D." Though it doesn’t appear to be confirmable via context.

1043 AD
We know this because at the very start of "Demon Knights" #16 a time setting textbox tells us it is "1043 A.D." Though it doesn’t appear to be confirmable via context.
It is a chronologically early comic in the DC Comics Universe multiverse timeline (an early chronological story to feature Jason Blood/Etrigan The Demon and Nimue Inwudu/Madame Xanadu) and can be read at its timeline point or as an extended flashback before "Stormwatch" #1 (1993).

