Flame of gunpowder

Your magic is fueled by gunpowder, whether your naturally able to control it in someway or have just learned ways to turn it into magic, Gunpowder is an ally that you will use to great effect.  

Effective weaponry

Gunpowder has primarily been used for 1 purpose, guns, through your familiarity with gunpowder you gain proficiency with any firearm that uses gunpowder.

Explosive Substance

Gunpowder and fire go hand in hand. whenever you cast a spell that deals fire damage, it deals damage to everyone within 5ft of where it hit. and deals an extra 1d4 fire damage this grows to 1d6 at level 6, 1d10+ your charisma modifier at level 14, and 1d12+ your charisma modifier at level 18. if the spell is AOE it grows by 5ft round (ex: Fireball is a 20ft. sphere, it would grow to 25ft.)

Explosive reaction

Gunpowder's your ally, and wouldn't dare hurt you. When you are attacked by a melee attack you may spend 1 sorcery point and use your reaction to deal 1d10 fire damage to everything within 5ft. of you, this goes up to 1d12 at level 14, and push back the attacker by 10ft.

History of ash

Through your time with the flame created by gunpowder you can track down the past of it. when making an intelligence, or wisdom check on anything involving gunpowder or fire gain advantage on the throw. 

Gunpowder spirit

your are nearly a master at the art of gunpowder, you may spend half of your sorcery points to transform into a gunpowder spirit and gain these effects.

• you are immune to fire damage
• You can use Explosive reaction without spending any sorcery points
• Explosive Substance range grows to 10ft. and gains an extra 1d4 added onto what you already have
• gain the attack action Fire of the barrel. You have proficiency with trigger. It has a range of 40ft, and deals 1d12+charisma modifier fire damage.
• If you were to die instead lose the transformation and stay at 1 hp. 

Master of the gunpowders flame

You have mastered gunpowder, fire spells do not cost any spell slots to use, you must have enough spell slots to cast the spell slot however, Any fire spell Level 2 or below can be cast as a bonus action, any firearm that uses gunpowder can be shot as a bonus action