Control System Ω is an enemy in Final Fantasy IV: The After Years exclusive to Final Fantasy IV: The Complete Collection. It is part of the Superboss Lost Babil, and is faced in the third part of the battle alongside Defense System Ψ and Counter System X.
The Control System will open the battle with a short countdown to Object 199, which will do heavy damage to a target. It regularly uses Heal, randomly targeting itself or an ally, and will cast Reflect on itself. With all its nodes dead the Control System's countdown will go slower, and it will counter all damage with Surge Cannon on a single target, inflicting damage equal to half the target party member's max HP and inflicting Sap. As long as the party can stay healed, destroying the Control System is not difficult.