race features:
Hellish Shield. You gain advantage on saving throws against spells. If you succeed on such a saving throw, you gain temporary hit points equal to the spells level.
Legacy of Cania. You know the mage hand cantrip. When you reach 3rd level, you can cast the burning hands 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 flame blade 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.
Tieflings that come from Mephistopheles are perhaps the most recognizable. They tend to have multiple large curved horns coming from their head, their skin is almost always bright red and their hair the darkest shade of crimson