"speedsword":
  type: world
  debug: true
  events:
    on player right clicks with STONE_SWORD:
          - if !<player.has_flag[buffalo]> {
            - if <player.inventory.contains.display[<&e><&l>Boski Rog Mocy]> {
              - flag buffalo duration:100s
              - if !<player.has_effect[]> {
                - cast speed power:3 <player.location.find.players.within[30]>
                }
              - cast INCREASE_DAMAGE power:1 duration:5
              - execute as_server 'potion effect regen 5 3 <player.name>'
              - announce '<&e><&lb><&6><&l>!<&e><&rb> <&b><player.name> <&e>uzyl <&b>Boski Rog Mocy <&e>kazdy w promieniu 30 kratek od niego otrzymal dodatkowa szybkosc!'
              - modifyblock <l@1203,138,306,DvZ_Main0> REDSTONE_BLOCK
              - modifyblock <l@1203,138,306,DvZ_Main0> AIR
              - determine fulfilled
              } else {
              - narrate "<&e>Przykro mi, ale mozesz uzyc rogu dopiero za <&c><&l><player.flag[buffalo].expiration.formatted>"
              - determine fulfilled
              }
            }