- WallSpikes (1000) - These spikes will instantly kill MegaMan. They are found at the left edge of the screen, and a conveyor belt is constantly pulling MegaMan towards them.
- WallLaser (120) - One of the cannons shoots a laser that can adjust its angle towards MegaMan.
- WallGun (70) - One of the cannons fires a tiny pellet.
- WallBlast (150) - The central cannon charges up and shoots a huge blast across the screen.
- WallMissile (80) - Once one of the cannons is destroyed, the other cannon shoots homing missiles (these missiles can be destroyed).
Hit Points: 1000 (center cannon), 400 (top and bottom cannons)
The Firewall is defeated once the center cannon is destroyed.