The demon was able to die from the fire that was burning in his entire body. They watch as he glows and become nothing as the fire burned him to dust. His wail was heard even from the afar. She couldn't help but to blink as the wind carried his voice away.
Soon the evil intention that was lurking within this place had slowly disappeared. Cassandra breathed in as she throw her bow back to her inventory. "I guess, that thing has some use," she commented.
She didn't think it would work since she didn't know how such thing exist. Nor, neither how can it harm a water type. However, the demon has a body of a slime, and it's a armour was filled with a different component than a water.
She guessed, an oil... So why didn't it explode when it got hit by a bullet? The type of oil which evolved in his body is different. It has a heat resistance but not for a fire resistance.