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PFS StandardOsyluth (Bone Devil)

An osyluth is an unparalleled inquisitor that revels in the sadism and torture for which Hell is so well known. These devils' charge is to seek out heresies, both among mortals and among other fiends—a commandment they uphold with unwavering fervor. They spawn within the Styx-fed swamps of Hell's fifth layer, Stygia; where heresies and the souls of heretics stagnate, osyluths eventually rise. In the remote corners of that same layer of Hell, they build massive, calcified hives where they perform their vile interrogations and perfect their torturous arts upon lesser devils and petitioners alike.

Recall Knowledge - Fiend (Religion): DC 26
Unspecific Lore: DC 24
Specific Lore: DC 21

Elite | Normal | Weak
Proficiency without Level

OsyluthCreature 9

LE Large Devil Fiend 
Source Bestiary 2 pg. 73 2.0, Pathfinder #147: Tomorrow Must Burn pg. 78
Perception +21; greater darkvision
Languages Celestial, Draconic, Infernal; telepathy 100 feet
Skills Arcana +18, Deception +19, Intimidation +21, Religion +17, Stealth +20
Str +5, Dex +5, Con +4, Int +3, Wis +4, Cha +4
AC 28; Fort +17, Ref +18, Will +17; +1 status to all saves vs. magic
HP 135; Immunities fire; Resistances physical 10 (except silver), poison 10; Weaknesses good 10
Speed 35 feet, fly 30 feet
Melee [one-action] jaws +21 [+16/+11] (evil, magical), Damage 2d10+11 piercing plus 1d6 evilMelee [one-action] claw +21 [+17/+13] (agile, evil, magical, reach 10 feet), Damage 2d6+11 slashing plus 1d6 evilMelee [one-action] stinger +21 [+16/+11] (evil, magical, reach 15 feet), Damage 1d10+11 piercing plus 1d6 evil and osyluth venomRanged [one-action] bone shard +21 [+16/+11] (evil, magical, range increment 30 feet), Damage 2d6+8 piercingDivine Innate Spells DC 25; 5th dimension door, phantom pain; 4th dimension door (at will), dimensional anchor (×2), discern lies, zone of truth; 2nd invisibility (at will; self only)
Rituals DC 25; 1st infernal pact
Osyluth Venom (poison) Saving Throw DC 25 Fortitude; Maximum Duration 6 rounds; Stage 1 2d6 poison damage, enfeebled 1 (1 round); Stage 2 3d6 poison damage and enfeebled 1 (1 round); Stage 3 3d6 poison damage and enfeebled 2 (1 round). Once a creature reaches stage 3, it takes a –4 status penalty to Will saves against attempts to Coerce it for 1 hour (this is a mental effect).Quick Invisibility The osyluth can cast innate invisibility using only 1 action.Sadistic Strike An osyluth deals an extra 2d6 damage whenever they Strike an enfeebled, frightened, or prone creature.Stygian Inquisitor [one-action] (linguistic, mental) The osyluth telepathically questions a creature affected by zone of truth. After 1 round, if the creature intentionally refuses to answer the question, it takes 2d6 mental damage.Tail Sweep [one-action] The osyluth sweeps their tail in a 15-foot cone. Each creature in the cone must succeed at a DC 26 Reflex save or be knocked prone.

Sidebar - Additional Lore Artists of Agony

An osyluth practices the craft of torture with the passion of an artist. Their skill draws forth all manner of truths and secrets from their victims, which an osyluth can recall with immaculate precision even centuries later. Over time, osyluths amass sizable collections of information, making them particularly valuable resources to diabolists and other evil spellcasters who crave infernal knowledge. Of course, such conjurers also often employ osyluths for the devils’ cruel talents of interrogation, perpetuating the cycle of spilled blood and stolen secrets.

All Monsters in "Devil"

Barbazu (Bearded Devil)5
Cornugon (Horned Devil)16
Deimavigga (Apostate Devil)17
Erinys (Fury Devil)8
Ferrugon (Rust Devil)12
Gelugon (Ice Devil)13
Gylou (Handmaiden Devil)14
Hamatula (Barbed Devil)11
Hellbound Attorney4
Levaloch (Warmonger Devil)7
Munagola (Executioner Devil)11
Osyluth (Bone Devil)9
Phistophilus (Contract Devil)10
Pit Fiend (Tyrant Devil)20
Sarglagon (Drowning Devil)8
Uniila (Cabal Devil)10
Zebub (Accuser Devil)3


Source Bestiary pg. 86
Masters of corruption and architects of conquest, devils seek both to tempt mortal life to join in their pursuit of all things profane and to spread tyranny throughout all worlds. The temptations they offer mortals range from great powers granted by the signing of an infernal contract to twisted favors following a whispered pledge to a diabolic patron, or any number of even subtler exchanges. Those who succumb to these temptations find themselves consigned to an afterlife of endless torment in the pits of Hell, wherein the only hope of escape lies in the chance of being promoted to become a devil in the infernal ranks. Every devil has a specific role to play in the upkeep of the remorseless bureaucratic machine that is Hell, from soldiers and scholars to inquisitors, lawyers, judges, and executioners. Lowly lemures and imps perform subservient labor to more powerful and specialized devils, such as contract devils and erinyes, while the greatest pit fiends command entire infernal armies.

Sidebar - Additional Lore Archdevils

At any one time, eight archdevils rule the eight upper layers of Hell, while the deepest layer is ruled by Asmodeus. Each archdevil is a unique demigod with a dedicated role in guiding the infernal machine forward. Barbatos is the doorwarden of Hellʼs uppermost layer, while Dispater rules Hellʼs largest city. Mammon guards Hellʼs treasuries, and Belial designs new weapons for Hellʼs legions. Geryon is the oldest archdevil and keeper of many secrets, while Moloch leads Hellʼs armies. Baalzebul is a brooding archdevil who has fallen from Asmodeusʼs favor, while mighty Mephistopheles was formed from the plane of Hell itself.

Sidebar - Additional Lore Diabolic Divinities

Many unique and powerful devils hold positions of power in Hell. The most numerous of these are the infernal dukes, many of whom were promoted to this position from already impressive statures as pit fiends. The supreme ruler of Hell itself is Asmodeus, the Prince of Darkness. Between these two tiers rule the eight archdevils—see the sidebar on the facing page.

Sidebar - Locations Diabolic Locations

The nine layers of Hell are the planar home of all devils, and they much prefer its tyrannically ordered environs to anywhere else in the multiverse. Yet devils can be encountered anywhere mortals can be tempted by infernal bargains or seek diabolic aid. On Golarion, the nation of Cheliax is particularly aligned with Hell. Its government is based upon Hellʼs organization, and the state church is that of Asmodeus.

Sidebar - Additional Lore Fiendish Relations

Devils view daemonsʼ constant hunt for souls as a short-sighted waste of potential, and demonsʼ chaotic destruction of society and flesh as uncivilized and obnoxious, but they do not loathe their fiendish counterparts. Indeed, most devils are more than willing to take advantage of daemons and demons as they can to further their own machinations.

Sidebar - Advice and Rules Hellfire

Stinking, sulfurous hellfire is infused with evil. Hellfire always deals a combination of fire damage and evil damage, though the specific ratio depends on the hellfire's origin. Certain types of hellfire can impose other effects on creatures as well, such as sapping their strength or memories.

Sidebar - Locations Hellmouths

While travel to and from Hell is possible with plane shift, another way to reach and traverse the infernal realms is via hellmouths, strange living portals connecting different layers or even different planes. A hellmouth takes the form of a grimacing face, distended maw, or other distressingly organic aperture, and no two share the same appearance. Most are carefully guarded, but some new or well-hidden hellmouths have yet to be discovered.

Sidebar - Related Creatures Other Devils

The devils presented on these pages are a small sampling of the torments Hell has to offer. Other devils, like the inquisition-focused bone devils, the cherub-faced and fly-bodied accuser devils, and the aquatic drowning devil are a few examples of these widespread immortal creatures.

Sidebar - Additional Lore Queens of the Night

The four queens of the night wield great power in the Pit. Ardad Lili is a plotter and manipulator with ambitions of ruling the heavens, while Doloras revels in suffering. Most distant is Mahathallah, watching over fate and death. Mightiest among them is Eiseth, who is assembling an army in Dis in the hopes of claiming the iron throne of Malebolge.

Sidebar - Additional Lore The Hierarchy of Hell

Hell is a harsh plane of law with little use for compassion or empathy. As such, it exists entirely within a strict hierarchy, and this order extends to its denizens. While different types of demons correspond to various sins and daemons are associated with modes of mortal death, the different types of devils exist solely to fulfill particular roles in the infernal machine. On occasion, a particular devil can transcend the role for which they were literally shaped, but this often transforms the devil physically into the type suitable for their new role.