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Acus Placidus
From Warhammer 40k - Lexicanum
The Acus Placidus ("The Needle of Calm" in High Gothic) is a wrist-mounted device used by the Sanguinary Priests of the Blood Angels to administer "The Emperor's Peace" (euthanasia) to Space Marines too badly wounded to be healed.[1]
It is similar in function to the Reductor pistol used by Space Marine Apothecaries.[1]
See also
Sources
- 1: The Blood Angels Omnibus by James Swallow - Appendix Angelus, pg. 601