Many Apothecaries are known to perform the Long Watch with the Chamber Militant of the Ordo Xenos, better known as the Deathwatch. Deathwatch Apothecaries take on a number of additional duties over those performed in their parent Chapter. For a start, they must master the genetic inheritance not only of their own gene-seed, but of a myriad of other Chapters too, so that they might monitor and maintain the implants of all their fellow Space Marines, each of which may be drawn from a different Chapter. In this matter, Deathwatch Apothecaries occupy a uniquely trusted position. Space Marine Chapters do not lightly share the details of their gene-seed, with its associated traits, variations, and even mutations. Deathwatch Apothecaries are sworn to maintain the secrets of each of the Chapters f