Translation of "Demon" in Japanese

The demon lord finally lost conciousness and fell to the floor with a thud.

魔王はついに気を失ってどうと倒れた。

Hit up on the D-pad, and the background music will change as the background itself becomes the Demon King's castle....

十字キーを上へ！するとＢＧＭが変わり、背景は魔王の居城へ・・・。