yes his strength, limitless, six eyes, cursed energy, and even processing the information of satoru gojo as a whole played a part in making the prison realm cry but it was also struggling to contain satoru bc he was trying to manipulate space in the prison realm on an atomic level to escape, forcing the prison realm to strength its barrier. the prison realm crying is a visual representation of how hard it was to seal him, the pressure it endured to conceal him and i think that’s so freaking cool