Warps a party to specified map and coordinate given the party ID, which you can get with
getcharid(1). You can also request another party id given a member's name with getcharid(1,<player_name>).

Example:
mes "[Party Warper]";
mes "Here you go!";
close2;
set @id,getcharid(1);
warpparty "prontera",150,100,@id;
close;