Due to the Fyran's body being made of fire and forged in the realm of fire a Fyran cannot be touched or damaged by fire. 

Your Strength score increases by 2, Your Wisdom increases by 2, And your Constitution and Charisma are lowered by 1

Due to their reliance on the flame, the can bring themselves back from the brink of old age many times over up to 560 years before their cinder fades.

As a fire rises and falls in a chaotic nature so do the Fryans. The Fyran race relies on their quick thinking in each situation relying on the world to do most of the work for them and going with the flow of the universe. For a Fyran to be placed under the law would be torture. The Fyrans are an army race, They rely on each other for everything and would give their essence to raise another of the kin. Their lives are bent on the well-being of those they care about but some, like fire, could care less for those around them. These, often ostracized, Fryans live by their own code and fight for their own power. All they want is to grow in their own power. The two most common alignments are Chaotic Good and Chaotic Evil.

The fyrans have the basic form of humans but licked by fire all over. They can assume a larger form, growing by 3 feet and 400 pounds, if they use all of their flame putting them at risk of injury (see Fyran Abomination). 

A Fryan can fly using their flame taking 1 damage for each hour of flight. 

The fire on a Fyrans body is like a bonfire and can light up dark areas 30 ft. in all directions. 

As a fyran is surrounded it will take the form of a monstrous beast of flame. Growing huge and adding to their strength. They assume this by absorbing their life entity or by absorbing flames around them. 7 torches or more is required to enter this form.

Trusting the druids, the Fyrans began to shape their flames into different forms. Once selected the Fyran could not turn back. (I.e. a fyran can turn into a wolf form but cannot chose any other beast). This can be done once per long rest and they remain in that form for one hour.

A fyran can look into certain flame sources, Bonfire or bigger, and see potential outcomes of certain events. Their foresight is limited but can potentially reveal important details. Upon looking into large flames a Fyran will have to make a wisdom saving throw or be forced into a vision for 1 full round. This vision can show 1 of 5 potential views.

Nat 1: They can only see death and destruction

2-7: A fyran sees a potentially bad outcome, something dangerous.

8-12: A fyran sees the next five minutes play out. If it is a battle he sees certain attacks. If it is not he may see ambushes.

13-19: A fyran see the next half day in some detail. With three major details that will stand out to them

Nat 20: A fyran sees an important detail hiding amongst the vision. Something that can guide the party. 

A Fyran is damaged by water whenever it contacts their skin. in basic rainfall, a Fyran will take 1d4 of damage for every 15 minutes, in a torrential downpour they will take 1d12 of damage for every 15 minutes. When a Fyran is submerged they will take 1d20 of damage for every minute they are in the water. Water is thusly terrifying. A fyran will need to make Wisdom saving throws when confronted with water. They will dive for cover under whatever they can find and be frozen in fear until that water source is moved or until they succeed on a subsequent saving throw. 

A Fyran can speak, read, and write both common and Infernal and has a hard time learning other languages.

A fyran looks as though they are covered in flame throughout their lives. Most creatures fear being burned by them but a Fyran can pull back the flames on their body to reveal their monstrous forms underneath. A demonic form with many horns adorning their heads and bits of flame poking through the cracks in the hardened rock that covered their exteriors. Their bodies are shorter and defined by the few spikes that jut out. One above their elbows and one above their shoulder blades. Other than that they look to be a normal humanoid. 

A half-breed with any of the other races would have a natural form that looked outwardly like the race they were interbred with. A half-human Fyran would be human but with hardened scales throughout their form.