Tiefling Variant Bloodlines

Throughout the hundreds of years following the realms war with the increasing trade and travel between the hells and material plane 3 new variants of the tiefling race were born out of relationships between tieflings or devils and Dragonborn, Dwarves and Elves. These new bloodlines brought different characteristics to the human-devil race we know as the tieflings. The dragonborn tieflings are known as Hellscales, the elf tieflings are known as Feyfire and the dwarf tieflings are known as Devilforged.
Alignment. Tieflings might not have an innate tendency toward evil, but many of them end up there. Evil or not, an independent nature inclines many tieflings toward a chaotic alignment.
Speed. Your base walking speed is 30 feet.
Darkvision. Thanks to your infernal heritage, you have superior vision in dark and dim conditions. You can see in dim light within 60 feet of you as if it were bright light, and in darkness as if it were dim light. You can’t discern color in darkness, only shades of gray.
Hellish Resistance. You have resistance to fire damage.

Hellscales

Languages. You can speak, read and write common, infernal and draconic.
Age. Hellscales grow more quickly than other tieflings, reaching adulthood by the age of 15 and living 100-120 years on average.
Size. Hellscales are taller and heavier than other tieflings, usally over 7 ft tall and averaging over 300lbs. Your size is Medium.
Ability Score Increase. Increase one ability score by 2 and increase a different one by 1, or you increase three different scores by 1.
Draconic Transformation. As a bonus action, you can manifest dragon-like features for 1 minute. During this time, your eyes glow with an otherworldly energy, and ethereal dragon wings materialize on your back, granting you a flying speed of 30 feet. You can use this ability a number of times equal to your proficiency bonus, and you regain all expended uses when you finish a long rest.
Chromatic Ancestry. You trace your ancestry to a chromatic dragon, granting you a special magical affinity. Choose one type of dragon from the Chromatic Ancestry table. This determines aspects of your appearance and the damage type for your other traits as shown in the table.

Infernal Fury When you take damage from a creature within 5 feet of you, you can channel the chromatic essence of your ancestry as a reaction. Elemental energy, reflective of your chosen Chromatic Ancestry, bursts out from you in a 15-foot radius. Each creature in that area must make a Dexterity saving throw against a DC equal to 8 + your Charisma modifier + your proficiency bonus. On a failed save, the creature takes 2d6 damage of the type associated with your Chromatic Ancestry, or half as much on a successful save. The damage increases to 3d6 at 6th level, 4d6 at 11th level, and 5d6 at 16th level. After using this ability, you can't use it again until you complete a short or long rest.
Draconic Resistance. You have resistance to the damage type associated with your Chromatic Ancestry.
Legacy of Zykirie. You know the Guidance cantrip. Once you reach 3rd level, you can cast the Bane spell once as a 2nd-level spell. Once you reach 5th level, you can also cast the Augury spell once. You must finish a long rest to cast these spells again with this trait. Charisma is your spellcasting ability for these spells.

Devilforged

Languages. You can speak, read and write common, infernal and dwarvish.
Age. Devilforged mature similarly to humans but have been known to live lifespans of over 400 years.
Size. Devilforged are shorter than other tieflings, averaging 5 feet tall and weighing around 180 lbs. Your size is Medium.
Speed. Your speed is not affected by wearing heavy armor.
Ability Score Increase. Your Charisma score increases by 2 and your Constitution score increases by 2
Dwarven Resilience. You have advantage on saving throws against poison, and you have resistance against poison damage.
Dwarven Combat Training. You have proficiency with the battleaxe, handaxe, light hammer, and warhammer.
Dwarven Toughness. Your hit point maximum increases by 1, and it increases by 1 every time you gain a level.
Infernal Smithing. You have proficiency with smith's tools and one other artisan's tool of your choice. You can use your action to magically enhance a non-magical weapon or suit of armor. The item becomes a magic item, gaining a +1 bonus to attack and damage rolls if it's a weapon, or a +1 bonus to AC if it's armor. This enhancement lasts for 1 hour, after which the item reverts to its non-magical state. You can use this feature a number of times equal to your Constitution modifier (minimum of once), and you regain all expended uses after finishing a long rest.
Legacy of Jozir. You know the produce flame cantrip. Once you reach 3rd level, you can cast the ceremony spell once as a 2nd-level spell. Once you reach 5th level, you can also cast the heat metal spell once. You must finish a long rest to cast these spells again with this trait. Charisma is your spellcasting ability for these spells.

Feyfire

Languages. You can speak, read and write common, infernal and elven.
Age. Feyfire live the longest lifespans of any tiefling, it is believed that they could even live to be over 1,000 years old.
Size. Feyfire vary in height but are generally slender in build. Your size is Medium.
Ability Score Increase. Your Charisma score increases by 2 and your Dexterity score increases by 2.
Trance. Feyfire like their elven ancestors do not sleep. Instead they meditate deeply, remaining semi-conscious, for 4 hours a day. The Common word for this meditation is "trance." While meditating, you dream after a fashion; such dreams are actually mental exercises that have become reflexive after years of practice. After resting in this way, you gain the same benefit a human would from 8 hours of sleep.
Infernal Elegance. You gain proficiency in two charisma based skills
Fey Ancestry. You can use your Charisma modifier in place of Dexterity for your Armor Class. You have advantage on saving throws against being charmed, and magic can't put you to sleep.
Unnatural Charisma When you roll a 1 on a charisma check or saving throw you may choose to reroll the die. You must use the new result even if its a 1.
Legacy of Nerilee. You know the message cantrip. Once you reach 3rd level, you can cast the Sleep spell once as a 2nd-level spell. Once you reach 5th level, you can also cast the Zone of Truth spell once. You must finish a long rest to cast these spells again with this trait. Charisma is your spellcasting ability for these spells.