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.
...I must preserve this beautiful world
that Brother has created.
muss ich diese wundervolle Welt,
die mein Bruder erschuf,
…que debo preservar este hermoso mundo
que je dois garder ce monde qu’il a créé
que devo preservar este belo mundo
я должен поддерживать порядок