killmonster that player brings whenever he enters map

[caspa]

-    script    no_mons_woe    -1,{
        end;
	OnInIt:
setarray .map$,"payg_cas03","prtg_cas03","pvp_n_room";
set .map_size,getarraysize ( .map$ );
initnpctimer;
end;

OnPCLoadMapEvent:
OnTimer3000:
for ( set .@i,0; .@i < .map_size; set .@i,.@i+1 ){
getmapxy( .@map$, .@x, .@y, 0, strcharinfo(0) ); 
if ( ( mobcount( .@map$,"poringmonster#18::On"+strcharinfo(0)+"") == 1 ) && ( strcharinfo(3) == .map$[.@i] ) ){
          killmonster.@map$,"poringmonster#18::On"+strcharinfo(0)+"";
                    initnpctimer;
                        end;
                        } else {
                    initnpctimer;
                        end;
                                
                        }
            }
}

hi i would like to request a script whereas when you enter the woe castle and pvp room it would detect the ,"poringmonster#18::On"+strcharinfo(0)+""; and if you have it along with you it would kill the monster...

the script above basically provide information of what i'm trying to achieve... thank you for your help...