Villian Bio File: Heat Breaker

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Name: Heat Breaker (Formerly known as Mountain Striker)
Age: Unknown (Records have been either expunged or never recorded)
Size: 4,6
Cutie Mark: Erupting volcano (was originally just a mountain peak against a cliff face)
Eye color: gold
Mane and Tail color: Firey orange
Personality: Bitter, hot tempered, power hungry
Powers: Able to control flames and volcanic energy, abilities not limited to Volcanic eruptions, hellflame blasts, fire breath, etc.
Defining features: Black body riddled with cracks that ooze lava, hooves also ooze lava in copious amounts. Mane and tail will burst into flame when she is fully powered up. Wings emit burning embers as she flies.

Bio: Not much is really known about the flame wielding alicorn known as Heat Breaker, as many of the records of her had been removed or expunged.

The records that do survive tell of a pair of alicorn sisters that had trained under the current princesses Faust and Nyx for several hundred years before suddenly turning on them in a failed Coup de gra.

These two were known as Frost Striker and Mountain Striker, and they controlled the elements of ice and earth. But it was Mountain Striker that would lead her sister into their failed attempt to take over Equestria. After they were banished from Equestria, Mountain Striker swore revenge and decided to combine her mastery of Earth with the power of fire. But during one such practice session, she caused the ground beneath her to collapse into a pocket of lava that had been hidden for centuries. As she sank into the boiling rock, the lava searing her body both inside and out, it seemed her ambitions would end right then and there in a premature funeral pure. But it was not to be...

Somehow, she managed to escape the lava lake, but in the process had become something even more. Her once grey fur was now as black as volcanic rock, her skin was riddled with cracks that, along with her hooves, oozed molten lava. Her mane and tail, once a light brown, were now firey orange and became pure flame when she concentrated her powers.

Heat Breaker is a formidable opponent, able to launch bursts of searing hot fire she dubbed 'hellfire', but she is also capable of breathing a torrent of fire from her mouth like a dragon. Her elemental powers allow her to cause fissure eruptions to envelop entire areas in molten rock and earthquakes, along side a massive wall of flames that is more than capable of incinerating entire city blocks if she so chooses. She can also cause heatwaves that sap a pony's strength.

But her newfound powers have come with a cost. While she survived the lava lake, the change she went through caused her abilities to start eating her from the inside out. Her lungs and stomach were particularly affected, the change causing them to continually fill with ash, toxic volcanic gases and occasionally lava. This causes her to cough out massive amounts of ash and gas clouds or throw up molten rock when she becomes extremely agitated. The clouds she coughs up makes it extremely dangerous to even be near her as they're capable of suffocating anything that breathes them in.

Despite this, her drive to rule Equestria and gain revenge on her former teacher ensure that she is a major threat to the ponies of Equestria.