Tieflings generally are touched and given power by Tiamat

Ability Score Increase. Your Charisma Score increases by 2, and one other Ability Score of your choice increases by 1.

Creature Type. Your creature types are Humanoid and Highling.

Languages. You can speak, read, and write, Common and High-Speech.

Darkvision. 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.

Cantrips. Choose two of the following Cantrips to learn: Friends, Mage Hand, Minor Illusion, Ray of Frost, Thaumaturgy, Vicious Mockery, Charisma is your spellcasting ability for these spells.

Hellish Spells. At 3rd level, choose one of the following spells: Armor of Agathys, Charm Person, Disguise Self, Floating Disk, Hellish Rebuke, Ray of Sickness. Once per long rest you can cast the chosen spell at second level. At 5th level, choose another spell as follows: Arcane Lock, Burning Hands, Crown of Madness, Darkness, Detect thoughts, Entrall Flame Blade, Invisibility, Suggestion. You can cast the chosen spell once per long rest. Charisma is your spellcasting ability for this spells, and the spells do not require material components.

Winged. You have bat-like wings sprouting from your shoulder blades. You have a flying speed of 30 feet while you aren’t wearing heavy armor.