conf>battle>player.conf and look for these lines
// Max limit of char stats. (agi, str, etc.)
max_parameter: 99
// Same as max_parameter, but for 3rd classes.
max_third_parameter: 120
// Same as max_parameter, but for baby classes.
max_baby_parameter: 80
// Same as max_parameter, but for baby 3rd's.
max_baby_third_parameter: 108