Boomer

The Boomer is a Tier 4 tank that upgrades from the Trapperang and the Builder at level 45.

Design
The Boomer has an inverted trapezoid, a rectangle, and then another trapezoid from bottom to top, assuming the Boomer is facing upward.

Technical
The Boomer fires special traps called "Boomerangs." The boomerangs look like pentagons, and have the same range functionality as the Builder, stopping at where the mouse clicks. However, they don't just stay there. After a while, the boomerangs return to the Boomer.

Upgrades
The Boomer upgrades from the and the  at level 45.

The Boomer can upgrade into the following:

As the Boomer

 * You don't have to worry about missing, as if your opponent doesn't move, you have another chance of hitting them
 * That being said though, you should always land your shot on the first try.

Against the Boomer

 * If the boomerang misses you, watch out. It could hit you when its coming back.
 * Cruiser-branch tanks are recommended.