Blaze then tried to explain all the details concerning that to me. He said that actually there's a way for a human to turned them self into a true devil, but the requirements to do that is quite complicated.
he explain about the history about how evil pieces were made first. The Evil Pieces were created by Ajuka Beelzebub sometime during the 16th century using the crystals available in the Agreas Island to help replenish the number of Devils after the Great War which had caused the death of countless Devils. While many Devils were able to adapt to the Evil Pieces, the Old Satan Faction rejected the usage of the Evil Pieces, believing them to be a disgrace to Devils for reincarnating Humans and other races into Devils.
Based on the game of chess, there are a total of 15 pieces consist of 1 Queen (♛), 2 Rooks (♜), 2 Bishops (♝), 2 Knights (♞), and 8 Pawns (♟) that are given to High-class Devils as the King(♚) of a peerage.[3] These pieces are used to reincarnate other beings into Devils and become servants of the High-class Devil.
Moving on to the requirements, the first requirement is that I have to achieve the high rank devil both in ranking and power. Someone like Sona who born into a high class noble family is ranked as a high rank devil from the start even though her power is not that strong from the start. It is the privilege of the high ranked nobles can have.
On the other hand, there also some devils who have power strong enough to enter the high ranked devils rank, but because of their lowly status such as a commoner, they could only stay as a low or middle rank devil. The ranks of the devils are managed by the nobles and the devil governments after all.
There is a reason why the first requirements is so complicated. First we need to talk about the energy that a human have. Humans have a neutral mana that can be turned into other races such as devils, angels, beast, and others. To change into a devil, a human needed to change their neutral mana and turned into a devil mana but the process to do that is very long and painful because to change race, you have to change the core of that individual as well.
That's why one of the great satan invent the evil piece which can make the process to turn a human into a devil very simple, but he only give this evil pieces to high ranked nobles. The evil piece is actually a masterpiece of the devil race because they not only can change a human into a devil, but also other races as well, although not as effective as when used on a human.
Although the main reason the evil piece was made was to replenish the devil numbers by turning humans into devil, the evil pieces can actually used on a fellow devil as well. After all, evil pieces can also be used on pure devils in servitude to their chosen masters to enhanced their own abilities
As time goes, in the end those evil pieces was used as other mean for the nobles which is to compete in a game called rating game. The Rating Game is used to measure a Devil's strength which will reflect their social standing in the Underworld. In fact, the Rating Game is so famous that the Top 10 ranked are considered as heroes to the Devils.
But that's not the point here. The evil piece work as core substitute and when it used on someone, it slowly turning the individual mana to a devil mana. Now let's jump to the point, when a human as a reincarnated devil reached the power of a high rank devil, that's mean that their human core has perfectly turned into a devil core and that's mean they don't have to rely to a devil piece to stay as a devil.
But it is impossible for one to remove their evil piece out from their own body by their own effort. If you do that then the consequences will be turning into a stray devil instead. But there's is a way to remove the evil piece inside your body and in the same time turning you into a pure blood devil.
And that is to use a secret ritual that only the highest noble families could know and to do that ritual requires a lot of ingredients that is very difficult to get. Some of the ingredients are even restricted to be freely used and when someone want to use some of those ingredients, the can only do so while being observed by one of the four great satan.
That's why there exist the second requirement which is to become a high ranked devil in rank, as only with that way you can get the permission to use those ingredients. You also need a permission to do the ritual and when you do got it, it is also need to be observed by one of the great satan as well as the ritual is considered a top secret.
He also explain to me that Sona didn't hide this on purpose. She even told me to become a high rank devil after all so I know what she want to do now.
AN : This is not on canon guys, just something I thought about out of nowhere. I don't even understand what I wrote here... so yeah... don't think with logic here guys XD.
Well that's the gist of it. Blaze also talk about what kind of ingredients needed to do the ritual and I already note all of it. After he done explaining all those stuff, we continued talking about the compensation that he will give me.
"I will give you a chance that can make you stronger. As you had change into a devil now, I will make it that the things you can obtain will be only related to your race. You can gain abilities, skill, or even some godly troops for your empire, but as usual..."(Blaze)
After he said that, a bowl with a lot of papers inside it appeared on his right hand. It is a fucking lottery bowl again.
"I will give you 3 chances to do the gacha, I'm sorry as this is the rule from the boss. But try look at the bright side, you can draw 3 times, and I can guarantee the result will all be positive for you, so don't be mad."(Blaze)
"Do your boss addicted to gacha or something?"(Tatsuya) I asked in annoyed manner.
"Even thought this is embarrassing for me to say, you are right, so please bear with it. Now let's stop wasting any more time and quickly do the gacha."(Blaze)
"*sigh* Damn you and your gacha... Argh fuck it, let's do it!"(Tatsuya)
Since I was kind of frustrated that I need to gacha again for the compensation, I took the bowl from Blaze hand and throw all of the paper inside the bowl out. I then picked 3 of those papers randomly while they were still in the air and opened them at the same time.
"... Why did you do that? Do you really have to make this kind of mess?"(Blaze)
"That's also another way to do gacha so there's no problem right?"(Tatsuya)
"... *sigh* I really need to talk about retirement with the boss, I'm to old for this... Now tell me what did you get.'(Blaze)
My lips twitched a little, annoyed by his words.
I showed him the papers that I picked and when he read them, he got shocked. I also read them but I can only guess about their uses, so I waited for this young man... old man to tell me about it.
"You're really a lucky man. Two of this powers can even be considered as top of the list, even though one of them has a troublesome requirement to use."(Blaze)
- The Omen of Ten Summon Card
- Demon Lord of [Storm] change card
- Sword Mastery Skill
" I can guess about the sword mastery skill, it's easy to understand, but I don't know anything about the other two so can you explain it to me?"(Tatsuya)
"The demon lord of storm change card actually is pretty easy to understand, you can change your race from a reincarnated devil to demon lord. The thing is, that change card is actually not under my jurisdiction and it was not supposed to appear here. That demon lord of [Storm] power was exclusive to only exist in a world under the jurisdiction of one of the oldest demon god. Can you wait for a minute, I'm going to contact him first."(Blaze)
Blaze then took out a... phone, and use it to call the demon god he mention before. After talking for 30 seconds, he closed the call.
"I already confirmed it with him and he said that it's just one of his prank. He deliberately put some demon lord change card in the gacha system just because it's sounds fun for him. He also told me that you can choose to not use it though, but if you want to use it then tell me now as to use it, you need to make a deal first with him. By the way, if you use it, the problem with that evil piece inside your body will be solved as when you change into a demon lord, it will reject all of external stuff inside your body."(Blaze)