Tiefling

 are one of the races available to the player in Pathfinder: Kingmaker.

Background
Simultaneously more and less than mortal, tieflings are the offspring of humans and fiends. With otherworldly blood and traits to match, tieflings are often shunned and despised out of reactionary fear. Most tieflings never know their fiendish sire, as the coupling that produced their curse occurred generations earlier. The taint is long-lasting and persistent, often manifesting at birth or sometimes later in life, as a powerful, though often unwanted boon. Despite their fiendish appearance and netherworld origins, tieflings have a human's capacity of choosing their fate, and while many embrace their dark heritage and side with fiendish powers, others reject their darker predilections. Though the power of their blood calls nearly every tiefling to fury, destruction, and wrath, even the spawn of succubus can become a saint and the grandchild of a pit fiend an unsuspecting hero.

Heritages
Beastbrood regard themselves as deserving of appreciation and opulence. Through deceit and sheer willpower, they often achieve privileged stations in society.
 * Beastbrood (Rakshasa-Spawn)

Beastbrood have a +2 racial bonus to Dexterity and Charisma, a -2 penalty to Wisdom, a +2 racial bonus on Perception and Persuasion (Bluff) checks and can use the Blindness spell once per day. They also have DR 2/piercing.

Lacking any sense of empathy or pity, faultspawn often abhor all ways of life but their own. They inflict severe emotional and physical pain on others, and never stop picking at the resulting psychological scars.
 * Faultspawn (Asura-Spawn)

Faultspawn have a +2 racial bonus to Dexterity and Wisdom, a -2 penalty to Intelligence, a +2 racial bonus on Knowledge (Arcana) and Knowledge (World) checks and can use the Hideous Laughter spell once per day. They also have a +2 racial saving throw bonus against enchantment spells and effects.

Crude and boorish, foulspawn take a particular delight in giving offence and scandalising polite society. They enjoy violating taboos even more than breaking laws, especially if it means degrading or repulsing an innocent.
 * Foulspawn (Demodand-Spawn)

Foulspawn have a +2 racial bonus to Constitution and Wisdom, a -2 penalty to Intelligence, a +2 racial bonus on Lore (Religion) and Persuasion (Intimidate) checks and can use the Cacophonous Call spell once per day. They also have a +1 racial bonus on attack rolls against Clerics, Inquisitors and Paladins.

Dreary and pessimistic, grimspawn are so enthralled by death, disease, and dilapidation that they often dedicate themselves to ending lives from behind the scenes as macabre saboteurs.
 * Grimspawn (Daemon-Spawn)

Grimspawn have a +2 racial bonus to Dexterity and Intelligence, a -2 penalty to Wisdom, a +2 racial bonus on Trickery and Persuasion (Bluff) checks and can use the Frigid Touch spell once per day. They also have acid resistance 5.

While often rigid, stubborn, and highly focused on sticking to plans and schedules, hellspawn also have a rare talent for penetrating others' facades. They know a lie when they hear one, and can often determine what hidden vice or secret shame motivates another.
 * Hellspawn (Devil-Spawn)

Hellspawn have a +2 racial bonus to Constitution and Wisdom, a -2 penalty to Charisma, a +2 racial bonus on Perception and Persuasion (Diplomacy) checks and can use the Scorching Ray spell once per day. They do not suffer a Charisma penalty if possess the Infernal Bloodline from either Sorcerer or Eldritch Scion class levels.

Endowed with brawny muscles and thick bones, hungerseed always seem poised to explode into some larger, more powerful form, and have a voracious appetite for sensory pleasures and carnal delights.
 * Hungerseed (Oni-Spawn)

Hungerseed have a +2 racial bonus to Strength and Wisdom, a -2 penalty to Charisma, a +2 racial bonus on Persuasion checks and can they can use the Invisibility spell once per day. They also have a +2 racial bonus to combat maneuver checks and combat maneuver defense.

No woman survives the birth of a babe whose qlippoth ancestry has emerged. At best, qlippoth-spawn rip their mothers apart during labor. At worst, they tear themselves out even earlier.
 * Motherless (Qlippoth-Spawn)

Motherless have a +2 racial bonus to Strength and Wisdom, a -2 penalty to Intelligence, a +2 racial bonus on Mobility and Lore (Nature) checks and can they can use the Blur spell once per day. They also have secondary Bite attack that deals 1d6 piercing damage.

Pitborn delight in destruction, especially while unleashing their havoc on what others consider valuable or precious. Perhaps because of this volatility, others tend to simply defer to pitborn, an act that often grants them the dominance they crave.
 * Pitborn (Demon-Spawn)

Pitborn have a +2 racial bonus to Strength and Charisma, a -2 penalty to Intelligence, a +2 racial bonus on Trickery and Perception checks and can they can use the Stone Call spell once per day. They also have a +2 racial bonus on all rolls to confirm critical hits.

Shackleborn are fascinated by mutilation and torture. Though they prefer to practice their cruel arts on others, they accept that sometimes the wheel must turn and greet they own moments of anguish and confinement with an odd serenity.
 * Shackleborn (Kyton-Spawn)

Shackleborn have a +2 racial bonus to Constitution and Charisma, a -2 penalty to Wisdom, a +2 racial bonus on Mobility and Persuasion (Intimidate) checks and can they can use the Web spell once per day. They also have a +1 natural armour bonus to AC.

An innate sense of jealousy and pure malice drives spitespawn to spread misery and despair. Unable to experience joy themselves, they devote their lives to promoting gloom, all the while hiding their hatefulness that lurks at their core.
 * Spitespawn (Div-Spawn)

Spitespawn have a +2 racial bonus to Dexterity and Charisma, a -2 penalty to Intelligence, a +2 racial bonus on Knowledge (World) and Persuasion (Diplomacy) checks and can they can use the Sound Burst spell once per day. They also add +1 to the DC of any saving throws against enchantment spells they have cast.

Although many tieflings follow the general model of the tiefling, many more do not. Those of different lineages may evince dramatically different manifestations of their heritage, both in appearance and in ability.
 * Uncertain

Tieflings of uncertain heritage have a +2 racial bonus to Dexterity and Intelligence, a-2 penalty to Charisma and a +2 racial bonus on Stealth and Persuasion (Bluff) checks and can use the Light spell once per day. They do not suffer a Charisma penalty if possess the Abyssal or Infernal Bloodline from either Sorcerer or Eldritch Scion class levels.

Gameplay modifiers
Race traits:
 * Fiendish Resistance: Tieflings have fire resistance 5, cold resistance 5, and electricity resistance 5.