Demon Infernal

A is a rare type of Infernal that is characterized by being horned and having a stronger heat signature compared to nornal infernals. Like ordinary Infernals, Demons can be created by a Bug as well as being sentient.

Overview
Demons most notable difference to normal Infernals are how difficult they are to kill, due to their strengh and durability. Their skin are capable of withstanding being shot at by normal weapons, as well as being cut by strong Third Generations plasma and fire attacks, resulting in a tremendous amount of power needed to kill one.

Doppelgängers
In some particularly situations, a Demon that bares a strong resemblance to another human can appear. Capable of copying their movements and fighting skills, using their First Generation abilities to mirror Third Generation flame control. Hibana speculates that they are seeking out their human counterpart in order to kill them. They appear to be from the Adolla Realm instead being the result of Fire Bugs or Spontaneous Human Combustion.

Known Cases
Tempe - The oldest demon known found in the Chinese Peninsula near the Amaterastu-like engine found in the oasis. After 200 years of existing, he was finally destroyed when Shinra channeled the power of the Black Lady to use his Adolla Burst abilities.

Ms. Kusakabe - After witnessing Shō surrounded by the Adolla Burst flames upon awakening his abilities, his mother was transformed into a Demon Infernal. Upon seeing the Evangelist, she tore her horns lower down her face in the place of her eyes. Under the control of Haumea, she brought Shō the order and fled the scene. According to the First Pillar, she is still alive. Her current location is unknown.

Asakusa Demon - In Year 196 during the outbreak across Tokyo, a Demon Infernal appeared in Asakusa. Konro then fought against the Infernal, during which its horn scared Konro's face. Immediately after receiving the wound, Konro incarcerated the Infernal at the cost of charring his body in the process. The scars caused Konro to see visions of another world.

Haran - White-Clad member Haran willingly swallowed an infernal bug in a bid to destroy Asakusa, successfully transforming into a Demon. After successfully battling Shinra and Aruthr, he is finally destroyed by Benimaru's Iai Seventh Form - The Sun, followed by the Crimson Moon.

Tokyo Demon  - Created by White hoods during the Fifth Pillar incident, Destroyed by four Special Fire Companies working together to trap it inside a firestorm and using Hinawa's Bullet Speed Rampage and Karim freezing the explosion into a giant pillar of ice.

Fuchu Prison Demon - Summoned by Haumea though unknown means, the demon briefly appeared after the battle between Leonard Burns and Shinra Kusakabe by emerging from Burns' shadow. The shape of its eyes and the fire appearing from its eyesockets imply it was Burns' personal Doppelgänger. It very quickly disappears, taking its opposite away with it.