Gintoki and Sakamoto reveal themselves and attack the Double Dragon generals.  Meanwhile, Elizabeth has launched in the Gunsam to battle Dark Vader in a duel to the death.  Elizabeth is helpless against Dark Vader.  That is when Katsura arrives to protect his friend's back!
And he did in a way that 
would stop his own men,
Y lo hizo de una forma que pudiera detener a sus propios hombres,
E ele fez de forma a impedir 
seus próprios homens,