Itadori stands in a daze at the disaster before his eyes, his mind already well past its limit. As a curse, Mahito is elated at seeing his ideal sequence of events play out before him, and he prepares to further finish off Itadori.
and I couldn't even see that mistake 
through because I was weak.
.حتّى أني لم أستطع إتمام ذلك الخطأ لأني كنت ضعيفًا
und mich davon abgehalten,
ihn bis zum Ende zu gehen.
Soy débil, por eso no pude seguir
el camino equivocado hasta el final.
y no podía ver el error
debido a mi debilidad.
À cause de ça,
E non sono riuscito a correggerlo perché sono debole.
Não consegui enxergar
esse erro porque fui fraco.
Я был так слаб…