The Mongols have sent a traitor into the Japanese camp. If they can't be defeated by the horde, can they be defeated by an enemy within?
the other points will 
become undefended, huh?
فإنّ النقاط الأخرى ستصبح بلا حماية، صحيح؟
el resto quedará al descubierto.
el resto quedará al descubierto.
il resto rimarrà scoperto, eh?
os outros pontos ficarão desprotegidos, é?