Completely oblivious to the fact that someone was using his achievement to raid a Dungeon, and conquer it, Natsu was completely fixated with the newly updated Dungeon Shop.

Other than being able to now purchase and add a third floor to his Dungeon, Natsu didn't find any new structures like tunnels and mazes.

However, Natsu didn't really care much about it.

Instead, he was completely focused on the new items available in the Miscellaneous items, and especially the newly available Dungeon Monsters.

[Direwolf - 5,000 DP

Serpent of Darkness - 7,500 DP

Dryad - 10,000 DP]

While none of the monsters Natsu hoped for had appeared, seeing how much they cost, Natsu started having high hopes for them.

Without even needing for Natsu to ask her anything, Rias, whose knowledge increased along with the Dungeon Level up, started explaining about all the newly available monsters.

"I'll start from the basics, darling."

"Even though these monsters are available after the Dungeon has reached Lvl 2, when you buy them, their Lvl will be 1."

Nodding his head indifferently from having expected this, Natsu urged Rias to explain about the monsters.

"Direwolfs are huge wolfs that are as big as the regular Orcs. They use wind elemental mana to increase their speed by a lot, and they possess sharp fangs and claws which can even easily shred metal, and chew them."

"The Serpents of Darkness are fifteen feet long snakes which use the mana related to darkness to slither in the shadows and kill their targets through sneak attack. The higher their level is, the longer their body, and the more powerful their venom is."

"And Dryads, they are special monsters which do not engage in direct combat. Instead, they are capable of using healing magic, and supporting magic which increases the strength of the other Dungeon Monsters."

Nodding his head with bright eyes, Natsu was about to immediately purchase one of each, when Rias moved and pulled his dick out of her, after which she turned around and faced Natsu.

"But, these aren't the best purchases you can make through a Lvl 2 Dungeon, darling."

"Oh? Then what is?"

"The Last Save Portal."

Since Rias was going to explain anyway, Natsu didn't open the Dungeon Shop to learn about it.

Smiling a little, Rias started explaining about the item she considered as the best purchase of a Lvl 2 Dungeon.

"What do you think will happen when the adventurers reach Lvl 2, darling? Even though Lvl Goblins and Kobolds would cause problems for them, it would be the monsters who die more than the adventurers."

"However, the same can't be said when they do against Orcs, Direwolfs, and so on."

"But, since the adventurers always start out on the first floor, wouldn't it be a waste to let the Goblins and Kobolds turn into cannon fodder?"

"That's when the Last Save Portal shows its worth."

"If an adventurer has managed to enter the second floor of a Dungeon, once he exits the Dungeon and comes back, he will appear at the entrance of the second floor."

"Of course, when a Dungeons Level increases, all the Last Saves in the Last Save Portal are erased, and they will have to start from the first floor onwards. Due to this, you wouldn't have to worry about the lower floor monsters turning useless since everyone starts at the higher floors."

Listening to Rias, Natsu silently mused over what she said, and finally admitted that this Last Save Portal was truly a very useful item.

This way, Natsu wouldn't have to worry about the Goblins and Kobolds being slaughtered for no particular reason by the Adventurers when they turn strong.

Similarly, when the Goblins and Kobolds reach higher levels, once the Last Save Portal resets and makes everyone start from the first floor, the Goblins and Kobolds could fight against the Adventurers without him having to worry about them being easily killed.

Thinking until here, Natsu decided to first use the Grand Lucky Draw, and then start making changes to the Great Tokyo Dungeon.

"Wish me luck, Rias."

Grinning happily, Rias kissed Natsu on the lips and said, "Best of luck, darling."

And then, just as Natsu was about to start the Grand Lucky Draw, Grayfia who had also woken up kissed Natsu on the cheek and said, "Good luck, Master!"

Thanking Grayfia as well, Natsu finally started the Grand Lucky Draw and finally made it stop, when Amaterasu as expected knocked on the door.

Telling Amaterasu to come in, Natsu anxiously waited to see what the reward he obtained was.

[Obtained 1 x Total Dungeon Last Save Portal]

Seeing what he obtained, not just Natsu who didn't know everything that was available inside the Dungeon Shop, but even Amaterasu who had already fully read and remembered the newly updated Dungeon Shop list was at a loss on what it was.

Still, once Natsu saw the look on Rias's face, he knew that he struck jackpot.

"Whose luck should I credit this lucky draw to, Rias?"

"To me!"

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Chuckling while hugging Rias, Natsu asked, "What does it do, Rias?"

"Right now, it will only allow you to build a Last Save Portal on the second, and third floor of your Dungeon. But in the future, you can build a Save Portal on every new floor you add to the Dungeon, without having to ten times the cost every time you do so."

It was then, that Natsu opened the Dungeon Shop and checked the price of the Last Save Portal.

It cost a total of 100,000 DP!

And according to what Rias said, if he wanted to use it another time, it would cost him 1,000,000 DP!

1.1 million DP to just build a Last Save Portal on the second, and third floor!