In formal studies, "9. Artefacts" often categorizes items that serve as physical sources of knowledge. This includes:
: A powerful weapon that can burn through almost any material.
In the lore of the , their Primarch Vulkan left behind nine legendary relics scattered across the galaxy. According to the Book of Fire , Vulkan will only return once his sons have found all nine. To date, five of these artifacts have been recovered:
: A massive orbital laser satellite or laser-grid defense system.
: Prevents chaos and builds executive confidence.
: A gauntlet incorporating a devastating heavy flamer.
: Personal letters, diaries, and memoirs that provide a "tangible link to the past" and insights into how ancestors lived.