Now that Satoru Gojo has been sealed, Mechamaru works with Team Mei Mei to inform them about what is going on and has them work on enacting his plan on what to do now.
I have to stay here and watch 
over the Prison Realm.
.علي البقاء هنا ومراقبة بعد السجن
Yo tengo que quedarme aquí
a cuidar el Gokumonkyo.
Debo quedarme aquí
a vigilar el Reino Prisión.
Je dois surveiller la Lisière.
Io devo restare qui di guardia alla Soglia.
Preciso ficar aqui e vigiar o Gokumonkyou.