if(flag&(BF_LONG) && bl->type&BL_MOB ){ //long range atk and mob target
        TBL_MOB *md = BL_CAST(BL_MOB,bl); 
        if(md && md->class_ == MOBID_EMPERIUM){ //mob is emp
        d->dmg_lv = ATK_BLOCK;
        return 0;
        }
}