A big robot with 10,000 health. At 9,000 health, he will fire lasers that can be deflected with the sword (direct them with your mouse). These should be your main source of damage from then on. At 8,000 health, he will fire large explosive crates. These will kill you on impact. At 7,000 health, he will break the ceiling. Don't touch the glass pieces. At 6,000 health, he will begin to make very vast motions. At 5,000 health, he will start performing spin attacks. At 4,000 health, he will start regularly flying. Throughout the battle, he will generally become stronger and faster. Defeat him in ten minutes to win.
This experience does not support Private Servers.