Boom!
The massive artillery completely blasted open the last data center, as Lille charged full speed, breaking through all obstacles in its path. The steel forged doors sparked upon impact, debris scattered, black smoke dispersed—
Bang.
Heavy footsteps stepped onto the metal floor; this was the last data node.
Unlike most plotlines involving Ultron, the only deadly weapon Ultron learned in this world was unparalleled industrial capability. It learned from protagonist entities like the Atlas Group and Rocksen Group, pushing humanity's resource exploitation and tool-making to the extreme—
The battle was indeed grueling, and without support at the last moment, Ultron's army would have completely overwhelmed the Latovia battalion...
Should that have happened, not just Europe, but all life on Earth would face extinction in the foreseeable future.
The last data center was a tower-shaped prototype structure, much like all other data nodes Lille had destroyed along the way.