Though their previous invasions were fast enough that it was impossible for them to be followed, this was even faster.
The reason was obvious.
Ria stopped restraining herself.
Left behind them were their previous enemies they had somehow or another cut down and defeated.
Although they were only careful around traps, although enemies used magic, although they spat venom at them, although acid soared through the air, although curses were placed on them, everything was nullified and disabled.
Groups of Iron Golems had their legs severed with a stroke of her katana, and with another to their chests they collected their magic stones.
The same with Basilisks’ petrification gaze, it had no effect at all. They were cut down the same as ordinary Monitor Lizards.
Swarms of Ghosts were extinguished with blasts of magical power.
Insect-type demons were burned by fire magic.
Same for Giant Slimes.
When they were attacked from all sides by Giant Bats, with a flourish of her katana, all that remained were ruined bats with their heads flying through the air.
Even demons that had fur of steel, they were killed through their steel.
“The blade’s nicks… none, good, good.”
In just a single day, the group had went up to the tenth floor.
“Nee-chan, aren’t you really overworking yourself?”
Serge whispered to her when they prepared camp.
Ria just maintained her katana.
She confirmed that there were no problems with the blade. However, it felt like there was a slight sense of incompatibility in her hands.
After creating Nagasone Kotetsu, a huge amount of demons had been cut down. Even though it was strengthened through magic, it had phenomenal stamina. As expected of a Japanese sword said to be the strongest in her previous world, it could only be classified as a first-rate sword.
Incidentally, though the blade was completely fine, the guard and handle was remade with her genesis magic. Certainly, the original held a magnificent art value, but since there was a problem in its strength, it was now a boorish metal hilt wrapped in mithril fibers.
“Are the rivets on the hilt worn out…?”
It felt a little out of place. She took out a spare hilt and replaced it.
“Hey, that curved blade.”
Shizuna asked while chewing on hardtack. It didn’t look elegant at all.
It was quiet.
There was just the sound of the fire crackling, though it filled the cave.
You couldn’t hear the sound of everyone’s breathing after having fallen asleep.
There were three people on lookout, Ria, Cell, and Lulu.
Added on to that was Rudolph’s beastly senses. It was likely impossible for any kind of demon to launch a surprise attack on them.
At that time, even though Ria felt it, there was no presence.
A gaze.
Even if it concealed its hostility, murderous intent, and presence, that wouldn’t erase the feeling of being watched.
Katana in hand, she stood up.
Using light magic at the tip of her finger, she drifted it towards the passage.
“What’s wrong? An enemy?”
Cell asked her, but Ria didn’t even know.
Since Rudolph was sound asleep, there shouldn’t be any danger. However, something felt off.
“It feels like… there’s a person.”
Ria went towards the passage as though she was gliding. Further ahead, though the ball of light continued to shine, there wasn’t the shape of a person.
“Other explorers?”
“There might have been something there, but I don’t feel it now.”
“The spirits aren’t warning me of anything in particular.”
In a sense, Cell’s detection capability was higher than Rudolph’s. Detection through spirit magic. Even that hadn’t reported anything.
However, there was a fatal hole in Cell’s detection.
In the case where the enemy far exceeded him in using spirits, detection through magic would be ineffectual.
(Annoying.)
She had erased her figure, her smell, her sound, and her heat.
Even so, somehow, that girl sensed her.
Her skin was too white from the aesthetic sense of a dark elf, and she perceived her with an ability that went beyond the five senses.
(In the end, there’s nothing that can be done but to meekly follow her then?)
That was her original purpose in the first place.
Boasting the highest degree of difficulty on the continent, the Dark Labyrinth.
It’s said that only a single person had ever conquered it. In a certain meaning, she was even more unreasonable than Ria.