A Donut-A (A.K.A. Donut, Flamethrower, Flamer) is basically a flamethrower built into the ground. These are found on level 45, 50, and 58. They are unkillable and can severely damage your BOT. If you are a level 31 on level 45, these will do around 250 points of damage. Fortunately, they only attack about every ten seconds so when you get near them, making it easy to get out of the way.