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.
There's no need to tell my brother 
about that right now.
.لا داعي لإخبار أخي بذلك الآن
Von dieser einen Sache braucht
mein Brother jetzt noch nichts zu wissen.
No hay necesidad de hablarle sobre eso
en el estado que se encuentra ahora.
No hacía falta decirle eso
ahora a mi brother.
Pour l’instant,
Al momento non mi pare il caso 
di parlargli anche di quell'altra cosa.
Não preciso falar sobre aquilo
para o meu brother agora...
Пожалуй, пока что…