Princess Syalis is abducted from her home of the Nation of Goodereste by Twilight the Demon King. Despite the horrors lurking in the Demon Castle, all Princess Syalis wants is a good night’s sleep.
engaged in countless seesaw
battles against them.
.دخلوا في معارك عديدة ضدّهم
se involucraron en interminables batallas,
con idas y vueltas, contra ellas.
enchaînaient les allers-retours.
le affrontarono senza sosta
 in numerose battaglie.
travaram incontáveis
batalhas contra elas.
то продвигались вперёд, 
то вынужденно отступали.