Tiefling

Those unfortunate enough to have fiendish blood still lingering within their family lineage have the chance of baring children who will be born with their fiendish heritage manifesting causing the child to take on a devilish form. Most often their skin will take on a shade of red and horns will come out and around from their forehead.
Majority of the nation's run by Eternals are not aware of the existence of tieflings because of the efforts of the Archivists. When they are present during a child's birth and that child is born as a tiefling, the Archivists alter the memory of all others present during that birth and take the child to places unknown.

Tiefling

Ability Score Increase Your Charisma score increases by 2, and another ability score increases by 1.

Size Medium

Speed 30ft

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Tiefling Traits

Tieflings share certain Racial Traits as a result of their Infernal descent.
Ability Score Increase. Your Charisma score increases by 2, and another ability score increases by 1.
Age. Tieflings mature at the same rate as Humans but live a few years longer.
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.
Size. Tieflings are about the same size and build as Humans. Your size is Medium.
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.
Infernal Legacy. You know the Thaumaturgy cantrip. When you reach 3rd Level, you can cast the Hellish Rebuke spell as a 2nd-level spell once with this trait and regain the ability to do so when you finish a Long Rest. When you reach 5th Level, you can cast the Darkness spell once with this trait and regain the ability to do so when you finish a Long Rest. Charisma is your Spellcasting Ability for these Spells.
Languages. You can speak, read, and write Common and one additional language of your choice.