The Book of DieselThe Light Before the Gospel“Behistun became one of the empire's greatest declarations. The hidden tablet became something smaller and more dangerous: a reminder that even a king devoted to Ahura Mazda remained subject to Asha rather than owner of it.”
The Book of Diesel · Gospel Threshold Edition v4.5
Historically anchoredThe setting or public event is documented; dialogue, motives, and recurring characters are invented.
The Behistun inscription presents Darius's rise, invokes Ahura Mazda, and repeatedly condemns rebels through the language of the Lie.
Mitradata and Parnaka are fictional workers; their access to Darius is invented.