A widely used explosive in the munitions of the Imperial Guard, fyceline leveraged a three-stage chemical reaction to mete out its dependable devastation, emitting three different wavelengths of light in a short-lived chemical reaction. Crates of grenades, tank munitions, or artillery rounds were tagged with a green, yellow, and white stripe to warn those lacking the ability to read. That those colors existed within the bounds of a densely packed hive city was a disaster waiting to happen.

Paric knows an attack is imminent and a gala for Hive Medicae dignitaries is at the top of his list of potential targets.