Artoria had been gone for three days, and she hadn't heard a word from her for three days, and she hadn't seen anyone on the dream platform.

Charles didn't worry too much about that.

Based on the daily intake of 6 salt for adults, the weight of salt that a normal adult human needs to consume in 300 years is 300 years x 360 days x 0006k = 648k. Considering that Artoria eats more than ordinary people, her salt intake over the past 300 years is estimated to be about 15 tons. Ru only started eating rice after going to the Elven Tree Sea in the south, and even if he ate two catties of rice a day for nearly three years, he couldn't reach this weight.

In other words, Artoria eats more salt than the rice that Ru has eaten since someone crossed over, and there is nothing to worry about at all.

Charles was also a little guessing about what she was going to do, it was nothing more than the matter of Mordred's ancestor, and I hope there was still a little clue there in the past few decades.

On this day, Charles came out of the library, intending to find someone south of the city after dinner.

In the city of Florence, the north of the city is a commercial area where the chambers of commerce gather, and the south of the city is a residential area where the citizens of the city live, and the wealthy people basically live in villas on the hill in the east of the city, and the people at the bottom live across the river in the west of the city.

Charles randomly found a restaurant on the side of the road for dinner, and in the past few days he has found an interesting place, the rich like to eat flour products brought from the north as their staple food, and the common people eat local rice.

The restaurant he entered tonight was a bit of a class, selling pasta-like noodles for the "little bourgeois" customers who had a little money.

Dinner is very simple, just a large plate of diced bacon and tomatoes with a little herb leaves boiled into a sauce and mixed with noodles, which tastes good.

At the table next to him, a young man and a woman were talking about the latest news in the city today.

The girl whispered, "Have you heard, the Gleason Chamber of Commerce may be saved." ”

The young man was a little surprised and asked, "What, their family has found money?"

The girl said with a mysterious expression, "This morning, a big butler from a rich family visited the Gleason Chamber of Commerce, guess whose house?"

The young man said, "No, I don't guess. ”

"It's boring. The girl pouted, and went on to her dinner.

By the time Charles walked out of the dining room, it was already dark, and a horse-drawn carriage was slowly passing by the side of the road, and now the man on the roof of the car was hanging a street lamp on a light pole.

The terrain of the southern part of the city is a bit complicated, this is the old town, obviously there is no planning, the roads are crooked, and it is easy for outsiders to get lost.

Charles was apparently lost, and he turned from east to west until he came to a small clearing with a row of houses at the end of the clearing that was a public toilet.

A horse-drawn cart with several large wooden barrels on top of the public toilet was parked next to the toilet, and the lid of the septic tank was opened, apparently ready to be pulled out of the manure to the farmland outside to fertilize.

The dung diggers carried wooden buckets to fetch water from the nearby well, preparing to drink the horses, and several children of seven or eight years old gathered in the open space.

Just as Charles was about to ask the children for directions, he saw one of the children raise a volleyball-sized fireball in his hand, causing a burst of amazement from the children around him.

Charles was also amazed, the little fireball he made when he was eight years old was only a little bigger than a ping pong ball, and the kid who showed off to his friends was obviously more talented than him.

Just as he was about to go over and talk to the boy, the boy suddenly shouted, "Hot, hot!"

That kid can only make fireballs but will not isolate the heat of fireballs, and today in order to show off to his friends, he maintained the fireballs for a little longer, and as a result, his hands were burned.

The panicked child began to lose control of the fireball, and the fireball in his hand suddenly writhed, ready to explode.

If this fireball blows up, the light hair and eyebrows of the surrounding children will be burned, and in severe cases, they will be burned.

Charles hurriedly shouted to the kid, "Throw the fireball away!"

The kid realized that there would be a heavy penalty for using magic in the city, so he subconsciously turned his head to look at the public toilet and the pit where the septic tank was opened.

When Charles saw this, he knew what the kid wanted to do, so he turned around and ran away without saying a word.

In the summer, the septic tanks of public toilets are filled with flammable gases. The dung digger opens the lid and goes to fetch water and drink the horses, just waiting for the gas to dissipate before working.

When the dung digger turned his head at Charles' shout, he saw a fireball flying towards the septic tank and burrowing into it through the mouth of the pit.

I heard a loud "boom", a fire burst out of the septic tank, and a huge shock wave lifted the dirt above the septic tank, the dung digger and his carriage were overturned to the ground, the children did not escape, and the public toilet immediately collapsed in half.

If it was just an ordinary open flame igniting the methane gas in the septic tank, it would have ended there, but this time it exploded in a small fireball, and the scorching fire element entered the sewer network beneath the city of Florence with a huge shock wave.

There is no such thing as a "rain and sewage diversion" in this world, and the city's designers designed a north-south drainage pipe for the city of Florence, with countless toilets and stormwater outlets connected to this main pipe through branch pipes, like the trunks and branches of a large tree.

The summer is scorching, and a large amount of biogas has accumulated in the entire drainage system at this time, and the arrival of the enthusiastic fire element has made these originally quiet biogas suddenly become unrestrained.

The next moment, the whole city of Florence trembled.

The dull roar spread underground at a very high speed, and the stormwater inlets on the side of the road continued to spray shock waves, and the dirt in the pipes and the stone grates on the rainwater inlets were blown into the sky by the shock waves, and some roads even blew up a large crater.

The explosion in the underground soon ended, and the city was thrown into chaos.

Adults shouted and children cried on the streets, and it became a mess.

Not long after, rumors such as "the demon clan is coming", "the demon king is killing in the central square", and "the demon clan has five of the four heavenly kings" began to spread rapidly in the city of Florence.

More than half an hour after the explosion, the bell on the top of the bell tower next to the central square of the city was struck, and the rapid sound of the bell was heard throughout the city of Florence.

First, several high-ranking magicians flew through the air, and then groups of armed city guards began to patrol the streets.

Those who took advantage of the fire to rob were killed by the heavenly magicians for the first time, and the city defense army began to hunt down the "demon spies" from house to house.

Seeing this, Charles had already given up his plan to connect with Ah Fu, and then ran to the hotel where he stayed in a panic.