Need Help with this Script

[Yonko]

I used this script together with wav files its perfectly 100% working. But i want to add features on this how can i ladderized into top 10 pvp killers

here's the script of mine

- script DOTAPVP -1,{

OnPCKillEvent:

set @PlayersKilledStreak,@PlayersKilledStreak + 1;

set PlayersKilled,PlayersKilled + 1;

getmapxy .map$,.@x,.@y,0;

if (!attachrid(killedrid)) end;

message strcharinfo(0),"You have been killed by "+ rid2name(killerrid);

if (@PlayersKilledStreak >= 100) callsub L_endStreak,"Beyond Godlike";

if (@PlayersKilledStreak >= 80) callsub L_endStreak,"Godlike";

if (@PlayersKilledStreak >= 60) callsub L_endStreak,"Monster Kill";

if (@PlayersKilledStreak >= 50) callsub L_endStreak,"Wicked Sick";

if (@PlayersKilledStreak >= 40) callsub L_endStreak,"Unstoppable";

if (@PlayersKilledStreak >= 30) callsub L_endStreak,"Mega-kill";

if (@PlayersKilledStreak >= 20) callsub L_endStreak,"Dominating";

if (@PlayersKilledStreak >= 10) callsub L_endStreak,"Killing Spree";

else goto L_endStreak2;

L_endStreak:

announce rid2name(killerrid) +" has ended "+ strcharinfo(0) +"'s "+ getarg(0) +" streak at "+ .map$,0;

L_endStreak2:

set @PlayersKilledStreak,0;

if (!attachrid(killerrid)) end;

if (@PlayersKilledStreak == 10) callsub L_Streak,"killingspree.wav","on a Killing Spree","";

if (@PlayersKilledStreak == 20) callsub L_Streak,"dominating.wav","Dominating!","";

if (@PlayersKilledStreak == 30) callsub L_Streak,"megakill.wav","on a Mega Kill!","";

if (@PlayersKilledStreak == 40) callsub L_Streak,"unstoppable.wav","Unstoppable!","";

if (@PlayersKilledStreak == 50) callsub L_Streak,"wickedsick.wav","Wicked Sick!","";

if (@PlayersKilledStreak == 60) callsub L_Streak,"monsterkill.wav","on a Monster Kill!","";

if (@PlayersKilledStreak == 80) callsub L_Streak,"godlike.wav","GodLike!",". Will someone ever stop him/her?";

if (@PlayersKilledStreak >= 100 && !(@PlayersKilledStreak % 2)) callsub L_Streak,"holyshit.wav","BEYOND GODLIKE!",". Someone kill him/her!";

goto OnWhisperGlobal;

L_Streak:

announce strcharinfo(0) +" is "+ getarg(1) +" with "+ @PlayersKilledStreak +" kills at "+ .map$ + getarg(2),0;

soundeffectall getarg(0),0,.map$;

return;

OnWhisperGlobal:

dispbottom "Your current Streak : "+ @PlayersKilledStreak;

dispbottom "Your total Kills : "+ PlayersKilled;

end;

}