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.
The factors he could see 
were not all of them.
هناك بعض العوامل الّتي لم يستطع رؤيتها
Die Faktoren, die er sehen konnte,
waren nicht vollständig.
lo que pudo prever no lo era todo.
lo que pudo prever no lo era todo.
On ne savait pas tout
de notre adversaire.
C'erano altri fattori... oltre quelli visibili.
Os fatores que ele podia ver
não eram todos os possíveis.
Было и то, о чём он не мог знать.