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.
and continue to fight back 
against the four races.
ونستمرّ في مُقاومة الأعراق الأخرى
mientras luchamos
contra las cuatro razas.
mientras luchamos
contra las cuatro razas.
e diamo battaglia alle altre razze.
e continuamos lutando
contra as quatro raças.
войско, что продолжает бороться
против других рас, — Сопротивление.