function scr_weaken_party()
{
    var _writedamage = false;
    if (argument_count == 1 && argument[0] == true)
        _writedamage = true;
    var _didhit = false;
    if (_writedamage)
    {
        with (obj_dmgwriter)
        {
            if (delaytimer >= 1)
                killactive = 1;
        }
    }
    for (i = 0; i < 3; i++)
    {
        if (global.char[i] == 0)
            continue;
        var _chartarget = global.char[i];
        if (_writedamage)
        {
            var __hpdiff = max(0, global.hp[_chartarget] - 1);
            if (__hpdiff > 0)
            {
                with (global.charinstance[i])
                {
                    hurt = 1;
                    hurttimer = 0;
                }
            }
            dmgwriter = instance_create(global.charinstance[i].x, (global.charinstance[i].y + global.charinstance[i].myheight) - 24, obj_dmgwriter);
            dmgwriter.damage = __hpdiff;
            if (__hpdiff > 0)
                _didhit = true;
        }
        if (global.hp[_chartarget] > 0)
            global.hp[_chartarget] = 1;
    }
    global.inv = global.invc * 40;
    if (_didhit)
    {
        snd_play(snd_hurt1);
        if (!instance_exists(obj_shake))
            instance_create(0, 0, obj_shake);
    }
}