>>213317275
>Intrigue
Objectives on the battlefield are secret technology or relics. Have Guard, Sisters, and Astartes all serving separate masters despite being allies in arms
>betrayal, backstabbing
Guardsmen officers trying to defect or secretly sabotage operations because they're traitors.
>drama
Sister or falls in love but can't prioritize her love over her duty. Commissar for the same kind of plot.