variables:
        {efekty.plomien} = false
on any movement:
        if {efekty.plomien} is true:
                spawn 5 of particle flame offset by 0.5, 0.5, 0.5 at player
every 1 second:       
    loop all players:
        if boots of loop-player is leather boots named "&b&lEfekt: &c&lPlomyk":
            if {efekty.plomien} is false:
                set {efekty.plomien} to true
                stop
every 1 second:       
    loop all players:
        if boots of loop-player is not leather boots named "&b&lEfekt: &c&lPlomyk":
            if {efekty.plomien} is true:
                set {efekty.plomien} to false
                stop