Comments of chapter undefined of I've Activated The Hidden Path of Beast Evolution

Y DIDNT HE TELL THEM THAT HES A RANK-6?? HE COULD HAVE PROBABLY GOTTEN ANOTHER PET FROM THE SCHOOL OR HE COULD HAVE TAKEN THE DAY BEFORE THE TOURNAMENT TO GO TO THE TOWER TO GET A GOOD RANK-6 PET!! AND Y DIDNT HE EVOLVE HIS OTHER PETS DIRECTLY YET??