[Stinky Cloud Skill].
This special spell from the magic system, despite having a spell ring position as high as "3", is mostly not cast as a harvesting-type damage spell.
Controlling magic particles, driven by spiritual power to create a toxic fog that blocks vision while causing physiological discomfort and infecting enemies with viruses, is its basic effect.
Coming from Purgatory, the inherent long lifespan and exceptional talent of the demon's nobility allow them to achieve the results they seek as long as they desire to learn, far surpassing those short-lived races with their rich accumulation.
