The Dink Network

So the boss script spawns the timer? That makes things easier.
Try this.

//Boss Script
&save_x = &current_sprite;
spawn("timer");

//Timer Script
int &boss = &save_x;
...
....
.....
//somewhere within the loop
if (&minutes == 0)
{
    if (&seconds <= 30)
    {
    sp_speed(&boss,6);

    }
}