Stick to the low ground and fire charged beam shots directly at the SA-X to destroy it. Your beam must be fully charged to damage it. As it approaches, Space Jump over the SA-X to the other side of the floor while charging your beam, and release the shot when you land.

Use missiles and super missiles primarily, but the Ice Beam works as well. Let's go over the attacks so you know what to avoid. If the Omega Metroid starts banging its tail on the ground, rocks will start falling from the ceiling. Instead of moving out of the way, shoot them down to get health and ammo.

In both Metroid II: Return of Samus and Samus Returns, Samus Aran encounters four Omega Metroids during her mission to SR388.

The Omega Cannon is acquired by absorbing a unique energy from a defeated Central Unit, and is the only means Samus has of defeating an E.M.M.I.