A horde of Mongols is heading to Kintoki castle to plunder it and kill the Japanese inside.  If they want to survive, the Toibarai and exiles will have to put aside their differences and fight.
I wish I could've avoided doing this, though.
لكن ليتني استطعت تجنّب هذا
Mir wäre es nur lieber gewesen,
darauf verzichten zu können.
Avrei preferito 
non dover arrivare a tanto, però.
Em todo caso, gostaria de ter evitado isto.
Но всё-таки хотелось этого избежать.