Well i don't know what exactly contains but it supos to have a lot of beta stuff from Ragnarok and old stuff
// Ragnarok World Championship 2004
// Requires: RWC 2004 Client
// or Akaru's SuperGRF 1.64 or newer
//map: rwc01
//map: rwc02
//map: rwc03
// Ragnarok World Championship 2009
// Requires: RWC 2009 Map files
//map: 2009rwc_f01
//map: 2009rwc_01
//map: 2009rwc_02
//map: 2009rwc_03
//map: 2009rwc_04
// Ragnarok World Championship 2008?
// Requires: RWC 2008 Map files?
//map: 2008rwc_04
//Christmas & Sakura Special
//Requires Akaru's SuperGRF 1.1 or newer
//map: prontera_x
//map: alberta_x
//map: aldebaran_x
//map: geffen_x
//map: izlude_x
//map: prt_church_x
//map: prontera_s
//map: pay_arche_s
//Fenced Lutie
//Requires Akaru's SuperGRF 1.23 or newer
//map: xmas_old
//Alpha Maps
//Requires adata.grf containing alpha maps and data
//map: fay_vilg00
//map: fay_vilg01
//map: gef_vilg00
//map: gef_vilg01
//map: moc_dugn01
//map: moc_dugn02
//map: moc_fild01
//map: moc_fild02
//map: moc_fild03
//map: moc_fild04
//map: moc_intr00
//map: moc_intr01
//map: moc_intr02
//map: moc_intr04
//map: moc_vilg00
//map: moc_vilg01
//map: moc_vilg02
//map: probemap
//map: probemap02
//map: prt_cstl01
//map: prt_dugn00
//map: prt_dugn01
//map: prt_fild00
//map: prt_fild01
//map: prt_fild03
//map: prt_fild04
//map: prt_fild05
//map: prt_intr01
//map: prt_intr01_a
//map: prt_intr02
//map: prt_vilg00
//map: prt_vilg01
//map: prt_vilg02
//map: tank_test
//map: tank_test2
//map: test