Because anyone can create a duels server.
StrikePractice offers you everything you need for a duels/practice server and much more for an affordable price. The plugin is highly configurable and has many features and good support.
➡ Duels (1v1), 2v2, Party vs Party, Party Split and Party FFA
➡...
lo que necesito son alguno de los schematics que vi en nullebuilds... asi que supongo que tendre que conseguir el premium de ahi ya que lei que los mantienen por separado.