on rightclick:
    player's tool is blaze rod named "&cFireBall Wand"
    set {_waited} to difference between {cooldown::%player%} and now
    if {_waited} is not less then 2 seconds:
        set {Cooldown::%player%} to now
        make player shoot a fireball at speed 1
    else:
        message "&cYou have used this ability recently! Please wait %difference between 2 seconds and {_waited}% to use this ability."