Thanks to the efforts of the Gintama hunks (?), the gender-swapping situation running roughshod over the Kabuki District is resolved. Or so it appears, but Ginko and everyone else in the Dekobokkoism base don't get their original bodies back.
so he wanted to build up 
some strength before that.
لذا أراد اكتساب بعض القوّة قبل ذلك
así que quería fortalecerse un poco.
então achou melhor 
adquirir mais força antes.