Ability Score improvement in Strength, Dexterity and Charisma scores, each increases by 1.

At 1st level you gain the following:

Infern-ish Life Span: Not being of full demon lineage, the demonic cambions mature at the same rate as their mortal parent's race + an additional 200 years.

Infernal Wings & Sight: Born of fiendish blood, you have superior vision in dark and dim conditions, as well as leathery like wings with the following effects.

• You gain Darkvision out to 60ft. This evolves to true sight out to 30ft at 14th level, which is increased to 60ft at 18th level. (Manually Add it)
• You additionally gain a fly speed equal to your walking speed of 30ft.

Infernal Resistance: Being of a demon decent, you gain resistance to cold damage.

Infernal Alignment: Cambions are the progeny of fiends, and their souls are ever marked by corruption. Cambions are born evil but can been raised to be good and in extremely rare case, and it unknown as to why they may stay that way. Those descended from devils are extremely lawful, those descended from demons are highly chaotic, and those from succubi/incubi can fall anywhere in-between.

Infernal Presence: For all intents and purposes, you count as a standard, living creature and not a fiend. However, certain spells and effects that specifically deal in detection instead count you as a fiend. These include detect evil and good and a paladin's Divine Sense. The blood of the lower planes lives in you. 

Infernal Tongue: You can speak, read, and write Common and Abyssal.

At 3rd level you begin to unlocking the powers of your demonic ancestry, gaining the following:

• You learn one cantrip you select here. Choose one of the following cantrips: control flames, produce flame, thaumaturgy or vicious mockery. Your spellcasting ability is Charisma.
• You gain resistance to lightning damage. (Manually Add it)
• Telepathic Whispers: As an action you make a limited telepathic probe into a target creature's mind that is within 60ft of you. Both you and the target make a contested Charisma check, with a failure resulting in nothing, but if you succeed you obtain 6 seconds blip of thoughts from the creature, or you may choose to express your own thoughts limited to 6 seconds. At 10 this ability evolves, and you gain telepathy up to 30ft. (Manually Add it)

When you reach 6th level you gain further mastery over the wicked powers of your malefic descent.

• You gain resistance to poison damage. (Manually Add it)

You learn two fiendish spells and may only cast your selected spells once, regaining the ability to use the spell after a long rest. Your spellcasting ability is Charisma. Choose two of the following spells you wish to gain at that level:

• burning hands
• charm Person
• command
• disguise self or hellish rebuke.

At 10th level you gain the following:

• Blast Burn: Once per long rest, when you successfully damaged a large or smaller size creature(s) with a spell that deals fire, force, or radiant damage, you can choose to curse the target(s) as a bonus action. The target(s) must make a dexterity saving throw based off your spell save DC (if you have more than one, you choose) and on a failure they begin to illuminate being outlined in a bright reddish orange fire. This fire last up to 1 minute or until the target(s) or you fall unconscious, the target can repeat the saving throw at the end of each of their turns. For the duration, this target shed's dim light in a 10-foot radius and any attack roll against target has advantage and the target can't benefit from being invisible. At 14th level, the radius becomes 15ft and they now take 1d8 radiant damage each turn. At 18th level, the radius becomes 20ft and they now take 2d8 radiant damage each turn

• Magic Weapons. Your melee attacks are considered magical to overcome nonmagical resistances and immunity.

• Fire and Blood: You gain a resistance to fire damage. (Manually Add it)

At 14 level, you gain the following abilities:

Demonic Step: As an action, you can magically teleport, along with any equipment you're wearing or carrying, up to 60ft to an unoccupied space it can see. At 18 level, increase the range to 120ft. You can use this ability 3 times before needing a long rest to regain uses.

At 18 level you gain the following: 

Demonic Immunity: you gain immunity to bludgeoning, piercing, and slashing from nonmagical attacks, as well as fire damage. Additionally, you gain limited spell immunity, you are immune to being targeted or effected by spells that only target you of 3rd level or lower unless you wish to be affected. (Manually Add it)