4 In Grimdarkest Night » by Travellers all After slaughtering the xenos calling themselves the Guardians, the Adeptus Mechanicus noticed something unusual about the artifacts. Certain Astartes were drawn to them, and the artifacts to them. These rings gifted their wearers with great power, but refused to chose a single chapter. A new chapter was formed to house them, The Emperor's Lanterns, light in the darkness.