This tower is effective against the frequent Dreadnaut Tribe's Brain attacks. The Laser Tower can only protect the building next to it. Despite this, it will try to kill/injure multiple monsters at a time, so it is great for taking out packed groups of monsters. When paired with a slow firing tower, such as the Tesla Tower, the Laser Tower can keep the slow firing tower from being destroyed by a mob of monsters.
Note: it leaves a trail of black after it fires the laser