Kai's duty as a member of the Human Protection Agency is to ensure that the four races from The Great War are kept sealed in their graveyards. Humanity has been at peace for 100 years, until one day a portal opens and the world he's known ceases to exist.
It's leading to the inside. 
Then just ahead should be...
إنّه يؤدّي إلى الدّاخل. ينبغي
...أن يكون أمامي هناك
Hier geht es bis ins Innere.
El camino continúa.
Supongo que me encontraré con…
El camino se adentra.
Supongo que me encontraré con…
Ça mène à l’intérieur.
Conduce all'interno.
Aqui leva ao interior,
e logo adiante deve estar...
Коридор уходит в глубину.