msa_ptr->m_ptr = &target_ptr->current_floor_ptr->m_list[m_idx];
msa_ptr->r_ptr = &r_info[msa_ptr->m_ptr->r_idx];
msa_ptr->no_inate = randint0(100) >= (msa_ptr->r_ptr->freq_spell * 2);
msa_ptr->m_ptr = &target_ptr->current_floor_ptr->m_list[m_idx];
msa_ptr->r_ptr = &r_info[msa_ptr->m_ptr->r_idx];
msa_ptr->no_inate = randint0(100) >= (msa_ptr->r_ptr->freq_spell * 2);