every 1 second:
    loop all players:
        if off hand item of loop-player is {@item5}:
            apply fire resistance 1  to loop-player for 999999 second
            apply speed 3 to loop-player for 999999 second
            apply health boost 3 to loop-player for 999999 second
            apply strength 2 to loop-player for 999999 second
    loop all players:
        if off hand item of loop-player is not {@item5}:
            remove fire resistance from loop-player
            remove health boost from loop-player
            remove speed from loop-player
            remove strength from loop-player