The moment it appeared Itadori and Mahito's battle to the death was resolved, the being wearing Geto's body asked, "Shall I save you, Mahito?" Itadori immediately recognizes the man before him as the very same one who sealed away Gojo and leaps to attack.
There's no point if you're 
out in front, Sensei!
!لا فائدة إن كنت في المقدمة يا سينسي
Wenn Sie an die Front gehen,
bringt das doch alles nichts!
¡No tenía caso
que usted la cubriera, maestra!
¡Esto no tiene sentido
si tú estás en el frente, maestra!
Ça sert à rien
de venir en première ligne !
Perché siete venuti qui
in prima linea, professoressa?!
Não adianta nada
se você resolve aparecer!