The new students find themselves trapped in Kimberly at night, with two powerful upperclassmen out to recruit them dead or alive.
Of course, these techniques 
are secret by nature.
.بالطبع، هذه المهارات سرية بطبيعتها
Selbstredend gelten
sie als Geheimkünste.
Naturalmente, si tratta di tecniche segrete.
Naturalmente, essas técnicas são secretas.
Само собой, разящие клинки
хранят в секрете.