The exploration went on seamlessly, the trio, Yunan, Lili and Reina collected more super fruits like the lotus one, by the end of the week, each of them had gained a total of 500 points per attribute, simply by digesting the fruits, meat and wine they found during the trip.
According to the Black Fate, those items were designed for the flora and fauna in the floor to keep them healthy and benefiting to the adventurers, and they could only digested once per person.
Yunan and friends found the wall of the floor while following a worker bee, and Yunan filled his ring with honey and gave some to the girls, he however traded for the honey with some monster corpses that his armor did not digest, making the Queen bee more tolerant of the amounts they took. Afterwords, following the wall to trying and find some rooms almost ended in failure, because all three of them got bored and were about to head back when the Black Fate led them to section of the wall where a hidden door opened up for them.
After stepping inside the room, they heard the sweet voice of a girl welcoming them into the room, they found a hologram of a little girl sitting on the lap of an old man who was toying with some metal and shaping it in the air above his palm like play dough.
The old man conjured a table for four and gestured to the three to sit, Yunan took a seat and pulled out a bottle of wine and a bottle of honey, some fruits and meats he had collected and put them on the table and poured for the old man, when Reina and Lili saw that they also sat down and snacked on the food, if Yunan was okay with the old man, there was no danger on them.
The old man did not reject the food and drink, and since his guests did not speak he asked first "you keep surprising me, not many dare steal from me, are you planning on getting rich by collecting those items?". "Not really" Yunan shrugged, "i have too much money, i don't think i can spend it, therefore i never take wealth into account when trying to pick things up, i usually think about those near me who will make use of them, and how good it would be if i could have such a thing at my beck and call".
"You must have thought about the reward when Fate told you to put the pool back, otherwise why would you do it?" The holographic girl seemed a bit angry at Yunan " its not usual for Fate to interfere with me, it has only done it twice, because of a certain girl could not keep her hands to herself". There was an actual blush on the holographic girl, she wanted to retaliate but Reina talked before she could, "what rewards?, Yunan did not mention any rewards for returning the pool".
The room went silent for a moment before the old man talked again "this is the second favour you have done for me and i have yet to reward you, can you tell me why you wanted the fermentation stone and cleansing stone?". Yunan took out his portable home, for some reason he did not think it would be too big for the room, and summoned it based on that hunch, the portable home floated above the table, looking like a black rubic cube. The old man took hold of it and examined it.
" I want to upgrade my mobile home with the ability to make lava wine and cleansing milk, if i could add in some of the fruits like the lotus fruit, i would be happy". The old man did not lift his eyes from the portable home as he said "you should have asked your talented smith to make it for you, this only looks good but is too shabby to survive later on, tsk tsk so much wasted materials, not even 1% of its potential is drawn out".
He then pulled the maids who were inside the portable home and asked Yunan " who gets into this house?" Yunan pointed at the two girls "only the most important people to me, for others i have a rental property in the base". The old man looked at Yunan for a moment before giving back the portable home "feed it to your armor, i'll make you a better one, that would make us even". Yunan did as he was told and fed the portable home to his armor, it instantly shot up to level 30, all its buffs and attributes were strengthened immensely.
The house Hephaestus made was formed from the same material he was toying with when Yunan and party walked in, the new house looked only to be 3x3x3 meters from the outside, but the inside was different. It had a bathroom with two large pools, one was milky, one was boiling water. It also had a nursing room with a golden pool inside it, with many herbs, oils and items that are used for medical care, it had a kitchen with a freezing space and preservation space to keep all food related items from going bad.
It had a cellar with a lava wine pool and lotus fruits of all kinds of colors and shapes floated on the pool, there were also large vats where one can store the already fermented wine and make more in the pool. The house also had a vast botanical garden, with all kinds of flowers and trees and small animals that would insure it was a complete ecosystem. There was a study with a big library, there was even a music box with changeable tunes and recordings.
The house had multiple bedrooms, a temperature control system, fully functional waste disposal, a communication system, a control room that was adjacent to the master bedroom, it was equipped with any and all things Yunan could think a house should have and more, but what took Yunan's breath were the enchantments.
There were basic ones, invisibility, indestructibility, independence from the outside environment and the luxury ones like intruders are teleported into prison cells, it had the ability to sustain life even inside any kind of storage, it could collect the items needed for function directly from the storage space it is in or from the environment if it was outside, size changing function and many more that were left for Yunan to discover later on.
Before Yunan left Hephaestus gave him some instructions "put water and monster corpses in the same storage ring as the house, and it will take care of itself, there is a genie that runs the system, call it and change what you feel needs changing, also don't keep sleeping in the challenge rooms, you make them harder for the next challengers if you stay there after you open the chest, it calibrates the new challenge after you, instead of resetting to default" he waved his hands and all five found themselves inside villa number 5, they did not even feel the usual effect of teleportation.