Umbrella's underground complex.
A thunderous rumble reverberated through the space, like the heavy breathing of a prehistoric beast. His pounding heart beat like a great drum, and his rushing veins were like mighty rivers.
Bare-chested, Sean trained in a spacious square room. Dr. Otto's Artificial Suns were mounted on all four walls, like four miniature suns radiating fierce halos of energy, dazzling and brilliant.
The young man standing in the center had muscles that twisted like steel cables. Veins bulged and throbbed one after another, like entangled giant pythons, swelling into knots filled with terrifying power. It was as though he were trapped in a thick swamp; every lift of his hand and every step he took appeared exceptionally difficult.
This was a gravity chamber built specifically for physical training. It used an artificial gravitational field to increase the gravity inside. If an ordinary person stepped into this special room, the crushing pull of gravity would likely flatten and shatter their body in an instant, causing massive internal bleeding and death.
Without using his Sentry powers to form a protective force field, Sean treated this place as his personal gym. Panting heavily, he performed bench presses, his heart pounding like a drum. Boundless strength surged through his cells and muscles, while sweat poured from his pores and was quickly evaporated by the room's high temperature.
The intense workout lasted around two hours. The cells within his body slowly absorbed the energy radiance of the Artificial Suns, and the fatigue gradually faded. He felt as though he were soaking in a warm spring, every inch of him suffused with comfort.
Sean shut off the gravity chamber's power. The energy radiance focused on him dimmed, the Artificial Suns stopped operating, and the artificial gravitational field vanished abruptly.
He stood still for several