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Osyluths (pronounced: /ˈsilʌθsOSS-ee-luths[6]), sometimes called bone devils, were the taskmasters and interrogators of the devils, acting as law-enforcement throughout the Nine Hells. Their very presence inspired dread due to their love of inflicting physical and mental suffering on both mortals and devils alike.[7]

DescriptionEdit

Osyluths were 9‒9.5 ft (2.7‒2.9 m) tall creatures with dry, sickly skin that seemed tautly stretched over every bone in their body. Despite the fact they were 500 lb (230 kg) creatures, their frames were incredibly gaunt husks so emaciated that they seemed skeletal.[3][5] Their tails were those of giant scorpions while their heads looked like menacing skulls. The putrid stench of rot surrounded their fearsome forms.[4]

PersonalityEdit

Osyluths were malicious sadists that reveled in the pain of lesser creatures yet still exercised a patient vigilance and cunning.[1][2] They were almost entirely driven by a diverse array of negative emotions, including lust, jealously, hatred and fury, towards all other beings. The suffering of defiant inferiors was particularly delightful to them, but at the same time were bitter towards their own superiors for their status.[1][4] They were expected to show absolute adherence to the tenants of baatezu morality and to the will of their masters, with most being fanatically loyal or at least obedient, and encouraged other baatezu to show similar levels of viciousness and zeal.[2][4]

AbilitiesEdit

Osyluths were armed with claws and fangs but their most fearsome natural armament was their scorpion-like tails. Said tails injected a powerful, strength-sapping poison into their victims, quickly rendering most powerless. They were also capable of exuding an aura of fear within a 5 ft (1.5 m) radius of themselves to send their foes running in panic.[4] Their other innately magical abilities allowed them to fly, turn themselves invisible, craft powerful illusions and create a wall of ice. They were also capable of summoning somewhere between 1-100 nupperibos, a small group of lemures or spinagons, or up to two other osyluths.[3][4]

CombatEdit

Driven into combat by ruthless rage, osyluths violently lashed out with tooth and claw, surrounding themselves with terror to keep their enemies from fighting back.[2][4] Although capable of fighting unarmed they often wielded hooked polearms constructed from bones to snare and wound their foes.[5] Once their opponents' bodies were restrained and their resolve shattered, a bone devil could fully subdue them with their tails.[1][2] They normally focused on singular foes and divided groups using their wall of ice.[2][3]

SocietyEdit

Learn to love and uphold the law.
— The "lesson" an osyluth needed to learn for promotion.[8]

The function of the osyluths was similar to that of a police force, specifically a moral police force, as they were responsible for rooting out the decay of infernal virtues within Baator.[8] They monitored the activities of other devils, vigilantly reporting their activities and ensuring their obedience.[3] Their role as taskmasters was taken extremely seriously, as they constantly sought to inspire other devils to uphold the ideals of lawful evil through brutal disciplinary action and severe motivational techniques.[2][8]

They mostly congregated on the lower circles of Hell, especially Stygia, and also made up the bulk of Mammon's personal servants along with hamatula.[5][7] They often roamed the layers of Hell, occasionally grouping together as inquisitors, to exterminate heresy and force hesitant baatezu into battle. When brought to the mortal realms under the command of dictators and tyrants, their talent for spotting disloyalty and incompetence, in even small amounts, was abundantly clear.[2]

As the only baatezu with authority over those of higher rank, osyluths were also among the most hated.[8] Rather than the supervision itself, the method of punishment accessible to bone devils meant that most baatezu with a chance of getting away with it would kill them. If through whatever enigmatic interrogation methods they found a devil guilty of breaking baatezu law, they had permission to send an offender to the Pit of Flame on Phlegethos. Once sent there, the offender would experience the agonizing infernal energies of the Pit for one hundred and one days before being returned to their former positions, having presumably learned their lesson.

If however, the criminal attempted to kill an osyluth and was caught a much more frightening punishment was enacted. The attempted killer was transformed into a lemure and branded with a mark denoting that they were never to be promoted again, and such lemures were hated by all other baatezu. Osyluths were believed to be the agents of the pit fiends, but regardless of the truth of such a claim, their disciplinary jurisdiction over higher-ranking baatezu stopped at them.[8]

While the Dark Eight were the ones in charge of the promotion of gelugons to pit fiends, the bone devils held an important role in the decision. Every century, one hundred osyluths joined in a moot named after the deceased founder of the Dark Eight, Cantrum. The osyluths gathered in a ring around the Dark Eight presenting their various reports on the moral character and competency of gelugons promising enough to be considered. The hundred osyluths had a single combined vote within the process.[4]

PromotionEdit

After the Ring of Cantrum concluded 1,000 osyluths were promoted into hamatula and 1,000 lower ranking devils were turned into osyluths. To counteract this guaranteed advancement system osyluths who surpassed the usual high standards of their station advanced into amnizu.[4] Somehow this fact became distorted to the point where most mortals believed that only 1,000 osyluths existed at once, a rumor possibly started by other devils in order to make the caste seem weak.[8]

When an osyluth was promoted to an amnizu, it underwent a process that was potentially lethal. The process consisted of racking, drawing, and quartering. When the osyluth got quartered, it naturally lost its limbs, but new smaller ones regrew. Once every limb was gone and replaced with a smaller one, the skin of the face was peeled to create a cowl that the would-be-amnizu had to remove through will-power, lest it died.[9]

SpellcastersEdit

Osyluth had the necessary mental capacity to learn wizardry, possessing a talent for the art of divination that was commonly used to aid them in their duties, although only a rare few bothered learning magic. Another branch of magic osyluths pursued was that of divine magic tied to a deity. While the overall numbers of baatezu priests was small, osyluths made up a substantial fraction of them and were always specialty priests.[10]

EcologyEdit

Befitting beings that primarily occupied Stygia, osyluths preferred cold environments as opposed to hot ones. They were capable of seeing into the ultraviolet spectrum due to their chilling environment.[5]

HistoryEdit

Pool of Twilight

The warrior Kern Desanea battling an osyluth, as depicted on the cover of the novel Pool of Twilight.

The famed Paladin Kern Desanea, the "Hammerseeker", fought with an osyluth during his adventures in the Moonsea region.[citation needed]

A mage from Dweomercore named Yarek summoned a bone devil to kill a rival, Skrianna Shadowdusk. The osyluth agreed, but then murdered him, while still seeking to fulfill it's contract.[11]

AppendixEdit

AppearancesEdit

Adventures
Novels

GalleryEdit

ReferencesEdit

  1. 1.0 1.1 1.2 1.3 1.4 1.5 Wizards RPG Team (2014). Monster Manual 5th edition. (Wizards of the Coast), pp. 68, 71. ISBN 978-0786965614.
  2. 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 Mike Mearls, Stephen Schubert, James Wyatt (June 2008). Monster Manual 4th edition. (Wizards of the Coast), p. 61. ISBN 978-0-7869-4852-9.
  3. 3.0 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 Skip Williams, Jonathan Tweet, Monte Cook (July 2003). Monster Manual 3.5. (Wizards of the Coast), pp. 52–53. ISBN 0-7869-2893-X.
  4. 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 Allen Varney, ed. (June 1994). Planescape Monstrous Compendium Appendix. (TSR, Inc.), p. 27. ISBN 978-1560768623.
  5. 5.0 5.1 5.2 5.3 5.4 Gary Gygax (December 1977). Monster Manual, 1st edition. (TSR, Inc), p. 21. ISBN 0-9356-9600-8.
  6. J. Paul LaFountain (1991). Monstrous Compendium: Outer Planes Appendix. Edited by Timothy B. Brown. (TSR, Inc.), p. 5. ISBN 1-56076-055-9.
  7. 7.0 7.1 Monte Cook (Oct 2002). Book of Vile Darkness. (Wizards of the Coast), p. 150. ISBN 0-7869-0672-3.
  8. 8.0 8.1 8.2 8.3 8.4 8.5 Colin McComb (September 1997). Faces of Evil: The Fiends. Edited by Ray Vallese. (Wizards of the Coast), pp. 15–16. ISBN 0-7869-3430-1.
  9. Colin McComb (September 1997). Faces of Evil: The Fiends. Edited by Ray Vallese. (Wizards of the Coast), p. 17. ISBN 0-7869-3430-1.
  10. Chris Pramas (1999). Guide to Hell. (TSR, Inc.), pp. 57–58. ISBN 978-0786914319.
  11. Christopher Perkins (November 2018). Waterdeep: Dungeon of the Mad Mage. Edited by Jeremy Crawford. (Wizards of the Coast), p. 134. ISBN 978-0-7869-6626-4.

ConnectionsEdit

Baatezu
Least: AdvespaLemureMerregonNupperibo
Lesser: Abishai (BlackBlueGreenRedWhite)BarbazuHamatulaNarzugonOsyluthSpinagon
Greater: AmnizuCornugonErinyesGelugonPaeliryonPit fiendWar devil
Miscellaneous Devils
Alu-fiendArchdevilCambionFimbrul devilHellcatImpKytonSeared devilSuccubusTar devil
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