Flashback to the Tower of Babel in the City of Steel.
"What's going on? All the guardian angels in the Tower of Babel have retreated, and even the blessings engraved on the walls have lost their effectiveness. Is the Tower of Babel about to close?"
"Haven't you heard? The Winter Nation's army has invaded the border. It's said that someone even discovered the traces of the Elven Kingdom's army. The angels guarding the Tower of Babel have already returned to the border."
A group of adventurers had gathered to chat at the Tower of Babel.
The City of Steel had become much livelier than it had been in the past few decades since the Tower of Babel's appearance.
