This is the 10364th most frequent Japanese word.
魔界
"魔界" (Makai) means "demon world" or "realm of spirits/supernatural beings" in Japanese.
'魔界' is used here to denote a fantastical or supernatural realm.
魔界は異世界の住む場所とされている。
The underworld is considered the dwelling place of another realm.
'魔界' is used in a narrative context representing a source of evil entities.
小説では、魔界からの悪魔が街を襲う場面がある。
In the novel, there is a scene where demons from the underworld attack the city.
'魔界' is invoked as an element of adventure, signifying a mythical or mysterious place one seeks to reach.