Turning 15, Will challenges Blood to a fight with real swords as his coming-of-age ceremony, but Gus asks Will to lose on purpose. Will doesn't get a chance to ask Gus about what happened that day in the ruins before he must head into his battle against Blood.
Do you understand what 
"please don't do it again" means?!
!هل تفهم معنى "أرجوك لا تفعلها ثانية"؟
Was verstehst du an „Bitte tu es nicht wieder“ nicht?!
Lo capisci che vuol dire "mai più"? Vuol dire "mai più"!
Você entende o que significa
"por favor, não faça isso de novo"?!
— Знаешь, что значит «больше не буду»?