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Fire Yai

Fire yai take the form of fire giants. Like fire giants, fire yai are shrewd and militaristic and have an incredible appetite for the thrill of war. While they engage in battle to conquer and control others, fire yai also love the thrill of war, fighting for the sheer joy of it. Presenting a fire yai with a true challenge in combat can potentially earn their mercy and an offer to join and serve at their side. Fire yai's third eyes shoot forth burning missiles of fire.

Recall Knowledge - Fiend (Religion): DC 32

Recall Knowledge - Humanoid (Society): DC 32

Fire YaiCreature 14

LELargeFiendFireGiantHumanoidOni
Source Bestiary 2 pg. 190
Perception +26; greater darkvision
Languages Common, Jotun
Skills Acrobatics +23, Arcana +23, Athletics +27, Crafting +25, Deception +27, Intimidation +27, Nature +25
Str +8, Dex +6, Con +6, Int +4, Wis +6, Cha +8
Items +2 striking katana, +1 resilient breastplate
AC 36; Fort +28, Ref +26, Will +24; +1 status on all saves vs. magic
HP 250, regeneration 15 (deactivated by acid or cold); Immunities fire; Weaknesses cold 15
Attack of Opportunity ReactionReaction
Speed 40 feet, fly 40 feet
Melee Single ActionSingle Action katana +30 [+25/+20] (deadly 1d8, magical, reach 10 feet, two-hand d10, versatile P), Damage 2d6+16 slashing plus 2d6 fireMelee Single ActionSingle Action fist +28 [+24/+20] (agile, evil, magical, reach 10 feet), Damage 2d6+16 bludgeoning plus 2d6 fire and 2d6 persistent fireRanged Single ActionSingle Action fire missile +26 [+21/+16] (evil, fire, magical, range increment 60 feet), Damage 2d10+16 fire plus 2d6 persistent firePrimal Innate Spells DC 34; 7th fiery body, fireball, flame strike, wall of fire; 6th fireball (x3); 4th charm (x3), darkness, gaseous form; 2nd invisibility (at will, self only)
Change Shape Single ActionSingle Action (concentrate, polymorph, primal, transmutation) The fire yai takes on the appearance of a fire giant. This doesn't change their Speed or Strike attack and damage.Impaling Push Two ActionsTwo Actions The fire yai attempts a katana Strike. If it hits, the fire yai attempts an Athletics check against the target creature's Fortitude DC.
Critical Success The fire yai Strides or Flies up to half its Speed in any direction. The struck creature takes 4d6 persistent bleed damage and is pushed along with the yai an equal distance. The creature is grabbed until the yai's next turn or until the yai makes a katana Strike.
Success As critical success, but the creature takes 2d6 persistent bleed damage.
Failure The struck creature is pushed back 5 feet.
Critical Failure The struck creature is unaffected.
Smoke Form Two ActionsTwo Actions (concentrate, primal, transmutation) The fire yai transforms into a cloud of smoke and then Flies up to its fly speed. This movement does not trigger reactions, and the fire yai can move through spaces occupied by other creatures. The fire yai returns to its physical form after this move, and must end the movement in a space in which it can fit. All creatures in spaces through which the fire yai moves with Smoke Form must succeed at a DC 34 Fortitude save or become sickened 3. The fire yai cannot use Smoke Form for 1d4 rounds.

All Monsters in "Oni"

NameLevel
Fire Yai14
Frost Yai13
Onidoshi8
Water Yai17

Oni

Source Bestiary 2 pg. 188
Not all divine creations are meant to live as mortals. Some spirits are created as guardians instead, tasked as protectors of elements of nature that cannot protect themselves. When these spirits accept their divine place in the metacosmos and take on such charges, they become kami. But some of these spirits are willful, obstinate, or simply rotten, railing against such demands from the gods and becoming bodiless and unable to interact with the world they can torturously still observe. Others receive such punishment simply for failing at their duty, and their despair at their condition twists them like those that began with a seed of darkness. When these spirits look upon mortal lives and become overcome with envy of the flesh and pleasure that humanoids can revel in, they form surrogate bodies of their own and become monsters known collectively as oni.

When an oni manifests, they always do so in a form that parodies a specific humanoid ancestry closely associated with the oni’s obsessions and envies. Giants’ over-the-top personalities and sizes are likely the reason why these humanoids are the most common incarnations chosen by oni; such oni are known collectively as yai oni. Yet there exist oni associated with almost every kind of humanoid. Most oni are capable of supernaturally disguising themselves as their associated humanoid type and use this ability to infiltrate societies and seize control from within. Once established, oni typically reveal their true form and revel in dominating those they view as lesser beings fit only to serve their whims.

Oni are nothing if not vain. They typically choose comely or striking appearances in their humanoid disguises—forms that are completely at odds with the ugliness of their true natures. An oni’s true form is indicative of their innermost desires and always has features such as oversized teeth that verge into tusks, sharp claws, unusually bright skin colors, or a third eye in the forehead. Oni have desires as varied as those of any being, though by their nature these desires are almost always for hedonistic or destructive experiences of the flesh, typically food, pleasure, or violence.

Sidebar - Additional Lore Oni Daimyo

Oni daimyo are quasi-deities with isolated mortal domains. The most powerful is Inma, the Empress of the World, but Akuma the Horned King, Murona the Dark Mother, and Nataka the Red King are also worshipped.

Sidebar - Additional Lore Oni Origins

The first oni originated in the nation of Minkai on the continent of Tian Xia. Whether due to prevalent local kami— particularly in the mist-shrouded Forest of Spirits—or its peoples' faiths, Minkai is a hotbed of oni activity.

Sidebar - Additional Lore Oni Shapechangers

Oni humanoid forms are limited to one specific appearance. An ogre magecan assume only one specific ogre form, while an ice yai can appear only as one specific frost giant. Some oni have greater control over their shapeshifting power and can assume the form of any humanoid creature, and these oni tend to be the most dangerous.

Sidebar - Related Creatures Other Oni

Different oni exist for nearly every humanoid ancestry. Kuwa oni mask their golden skin and four-fingered claws in human form, while ja oni hide as hobgoblins. Other yai include wind yai (who take their form from cloud giants) and the immensely powerful void yai (who form from other yai and ascend to rule over rune giants).