Epic of Summoner: Supreme Summoner System in the Apocalypse

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Now that I was done checking up my new Skills, I decided to check my loot. Yes, the item boxes I have been accumulating this time from the Quest rewards, I have been saving them to open them all in a single row!

Now, time to see what I can get.

The items in particular are:

[Random Item Box] x30

[Premium Random Item Box] x4

[Dungeon Master Crate] x1

The one I am wondering the most what is the Dungeon Master Crate, but I decided to open them in order, the same order shown above.

So, it will be first the 30 Random Item Boxes, then the four Premium Random Item Boxes, and then the single Dungeon Master Crate!

Now…

Ding!

[Do you wish to open the following items?]

[Random Item Box] x30

[Premium Random Item Box] x4

[Dungeon Master Crate] x1

<Yes> <No>

Of course, yes!

I quickly tap the <Yes> button and all 35 of the items begin to shine above the ground, exploding into bright light as new and relucent items started to emerge one by one, a wondrous sight to behold…

Ding!

[You've received the following Items]

[Random Skill Scroll (A-Grade)] x5

[Discount Gacha Ticket (50%) (C-Grade)] x4

[X4 EXP Ticket (12 Hours) (SS-Grade)] x3

[X2 EXP Ticket (12 Hours) (S-Grade)] x4

[All Daily Dungeon Entrance Ticket (Hell/Infernal Difficulty) (SSS-Grade)] x5

[Premium Tamed Monster Evolution Elixir (SSS-Grade)] x4

[Premium Gacha Ticket (Guaranteed 5 Star) (SSS-Grade)] x2

[Divine Summon Star Elixir (SSS-Grade)] x3

[5 Star Summon Selection Gacha Ticket (Mythical-Grade)] x1

[Special Gacha Banner Ticket (Halloween Harvest) (Mythical-Grade)] x1

[X10 EXP Ticket (6 Hours) (Mythical Grade)] x1

[Random Legendary Skill Scroll (Legendary-Grade)] x1

[Dungeon Heart Core (Legendary-Grade)] x1

…

What is this luck?!

So many high-grade items! What the heck happened here?!

"Guardian, don't panic… remember that you've siphoned the luck of the Celestials the other day, that luck was still within you in an enormous golden cloud, although you've used around 50% of it with this… I can see that you've gotten a lot of useful items that will boost your growth and that of your allies," said Gaia.

"Like hell, it will be! And… so that was it… I had completely forgotten that I had so much luck accumulated… Wait, this means that I cannot store luck and it will urn out through events that require heavy luck such as these? Is it the same for Gacha?" I asked.

"I think so, but you can also choose not to use your Luck in the gacha, similarly than in this event, but I had forgotten to tell you, so you used it unknowingly… I apologize for my incompetence," sighed Gaia.

"I see. Well, I will try to not overuse it, it would be better to save it for situations of life and death where luck can help me out… I hate to rely on it, but it does seem to be a nice way to fight. I suppose that siphoning the luck of the Celestial King was one of the things that let me defeat him even against the odds," I said.

"Quite so, although the power I gifted you did some work as well!" said Gaia proudly.

"Yeah, yours too," I said.

Now… What do I do with these items?

There's a lot of Gacha Tickets… Maybe I should get to summon at long last.

There are also Skill Scrolls, which seem to give a random Skill…

And then there is the… Dungeon Heart Core?

What's that?

[Dungeon Heart Core (Legendary-Grade)] x1

Grants the ability to create a Legendary-Grade Dungeon by planting the Dungeon Heart Core somewhere and letting it rest for some time. The dungeon will naturally draw the power from the environment, be it miasma, mana, or other essences, and utilize them to convert them into treasures, traps, more rooms, and monsters. The Dungeon Master can utilize the Dungeon Points earned this way to do this task manually.

…

I see, so it is a Dungeon Core that creates a dungeon as if it were a seed and the dungeon the plant sort of deal. There are already three Dungeons here so- Wait, but this one is… Legendary Grade?!

"Gaia, what Grade are the other dungeons in here?" I asked.

"The highest Grade Dungeon here is B-Grade," said Gaia.

B-Grade?! This means that this Dungeon… Legendary Grade is two steps above SSS-Grade!

So this Dungeon… Would actually be fitting for my current strength! And it could also grow with me we keep a similar pace…

Oi, isn't that way better than these trashy dungeons?

"Can Dungeons increase in Rank?" I asked.

"I believe so, but it takes a long time, also, Dungeons have Talents similar to people. These Dungeons in here are all F-Grade in talent and therefore will grow incredibly slowly unless you infuse enormous quantities of energy into them, which I don't recommend… Oh, are you planning on planting a Dungeon? Is that Dungeon Hear- Eh?! Ah! It is a Legendary-Grade! How did it slip off my grasp?" wondered Gaia.

"Hehe… I was just ignoring these trashy dungeons, but if I can set up a Legendary-Grade Dungeon right off the bat then… I could quite possibly get a viable place where I can tame new and strong monsters, get EXP continuously, and items!" I said.

"T-That's right!" said Gaia.

"Oh? What's wrong, master?" asked Kireina who was nearby.

"He seems excited. Are you hyped?" asked Katrina.

"I am! Girls, look at this!" I said, showing them the Dungeon Core.

"An orb?" asked Kireina.

"It is an orb, indeed. Master, have you gone insane?" asked Katrina.

"Ah, you can't see item information? Well, this thing is a Heart Dungeon Core! It will help us plant a Legendary-Grade Dungeon!" I said.

"Legendary-Grade Dungeon… Wait, isn't that like… near our power level?!" asked Kireina.

"It is! With this super hard dungeon, we can grow stronger even while slacking off in the Inner World!" I said. As I began to laugh maniacally.

"That's nice! T-Though, do you have to laugh so crazily over it? Well, it is nice that we get to be stronger quickly," said Kireina.

"Master don't laugh so loudly, or you'll get a seizure," said Katrina.

"I can't get a seizure!"

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