Enter the Electrical Age!

Thus, this enormous structure was built within the testing grounds.

Theus personally designed a massive reinforced concrete building. The concrete provided support, while the densely packed, interconnected steel reinforcement within formed the Faraday cage itself.

A Faraday cage had two main effects: one was shielding against electromagnetic interference, and the other was preventing the impact of high-voltage discharges.

In other words, it protected against lightning.

The entire cage maintained the same electric potential. Even if lightning struck directly within a Faraday cage, nothing would happen. That was why it was best to shelter inside a building or a car during a thunderstorm—both could be considered simple Faraday cages.

Castel lay within the Storm Ocean, and since the Storm Ocean was named for storms, countless thunderstorms naturally blanketed it year-round.

After the deep-sea war, however, the storms over the Storm Ocean had noticeably decreased. Theus had always suspected that the storms in these seas might be connected to the Sea God.

Now that the Sea God had entered the Stellar Furnace, the thunderstorms naturally became fewer.

After the accident, Theus considered things on a deeper level. If the Sea God was connected to thunderstorms, then could the evil entities within electrical currents also exist within lightning?

The construction of the Faraday cage prevented that as well, killing two birds with one stone.

"Inside this newly built Faraday cage, our experiments have stabilized! The currents we generated before all carried all sorts of inexplicable fluctuations. They were extremely difficult to use, drastically reduced the lifespan of subsequent equipment, and sometimes even caused overheating and fires. They simply had no practical value."

"But now... look!"

Inside the building stood a small steam engine, driving a thick metal disk.

"This is a simple generator. The stator is made of magnets, while the rotor consists