Age of Apocalypse Part 4: The Art of War Essex stand revealed as the malevolent Mr. Sinister. With his friends murdered before his very eyes and his mentor, Forge, slain by this monster's hands, Nate unleashes the full force of his psionic energies on his enemy with explosive results. Now, Nate must seek the only man that may be able to give his life guidance - Magneto. However, Magneto is now in the clutches of the tyrant Apocalypse. Nate bravely ventures forth to meet his destiny.