Atlantis

The  is a TESTBED boss.

Design
is a uniquely shaped boss that resembles a greater than symbol (>) but with a notched inner edge. On each of its outer sides it has a turret resembling a widened with a dark blue base, slightly darker than the tank body itself. On its rear flat sides, it has two flattened barrels that taper like and resemble the 's drones' thrusters. In the middle of the rear of the tank, it has a strange barrel that resembles a barrel.