Boom! Boom! Boom! Boom!
When thunder roared from beneath the Nine Depths, the ancient train hurtling through the darkness seemed to become lightning itself, showering sparks all the way as it hammered against rails covered in rust and surged onward.
Beneath Greenwich Park, by the time the observation room within the fortress sounded the alarm, it had already charged within a kilometer.
One kilometer.
For ordinary people running at full speed, that might still have been a considerable distance.
But for a train that had already accelerated to its limit, racing like a mad beast, it was practically within arm's reach!
It was as though... it had expected this all along. It threaded its way through the tangled underground rail network with practiced ease, brushing past metro lines and classified routes still in operation, slipping through the darkness like a ghost and leaving behind only choking smoke and thunderous noise that lingered for a long time.
They had been targeted from the beginning?
In that instant, the colonel suddenly understood.
When the Guardian Group had been attacked, the first few shipments of supplies had not been intercepted. It had not been luck. The enemy had deliberately left that gap open.
In that brief span of time, they had traced the movement of those supplies beneath London and identified the route leading here...
"Where are the blast doors?"
The colonel whirled around. "Are all the doors shut?"
"All of them have been sealed." His deputy answered firmly. "We entered War State. The entire base has been completely locked down, and all four layers of blast doors are sealed.
Only after you use your key and fingerprints to deactivate War State could they possibly be opened manually."
The sealed blast doors were all war-grade defenses, with alloy skeletons, concrete outer layers, and