William aims to complete his plan with his death, as Albert and the others each carry out their roles. Meanwhile, Sherlock deduces William's true reason for having him vanquish the Lord of Crime. Overlooking London, the pair face each other one last time.
but the world that you are changing
is going to be a world worth living in.
Aber die Welt, die du verändert hast,
pero el mundo que estás generando
será un mundo en el que valdrá la pena vivir.
Mais ça vaudra la peine de vivre
mas o mundo que você está mudando será
um mundo em que vale a pena viver.
Но ты изменил этот мир.