Mavis's teaching was swift. In one day, she thoroughly explained the principles of the three great Fairy magics. However, understanding them was not something that could be achieved quickly.
As a result, Calvin converted Mavis's oral teachings into notes.
Thus, a precious magical book detailing the three great Fairy magics was haphazardly created in Calvin's hands. After Mavis reviewed it, she admitted she couldn't provide a more detailed explanation than what was in the book.
In other words, Calvin no longer needed Mavis; he could now learn independently.
The Grand Magic Games were only about ten days away, so there was not enough time for Calvin to master these highly complex magics. However, Calvin never considered himself that much of a genius; he had plenty of time.
After being resurrected using "Revival of the Dead," the lifespan he had sacrificed with "Archangel's Breath" was fully restored. He was no longer the short-lived individual he once was.
Calvin believed that, with his current strength and the magical techniques he had developed over the past seven years, he was more than capable of handling the Grand Magic Games.
After all, Calvin felt confident that he could defeat even Hades alone.
In addition to his immense magical power and the meticulously developed Magic Seals series, his Summoning Cards had undergone unforeseen changes.
More accurately, his soul had transformed.
Firstly, the inner personality created by the Oración Seis had wholly disappeared after being thoroughly utilized by the Seven Deadly Sins.
This calls for explaining how the Seven Deadly Sins came to inhabit Calvin's summoned beasts.
After being defeated by the Angel Sanctuary alongside the progenitor demon, they lost everything—bodies, lifespan, abilities—remaining only as conceptual existences, wandering outside the world.
Without any power, the Seven Deadly Sins needed energy to take over the bodies of the summoned beasts. The progenitor demon prepared this energy using Calvin's inner personality's soul.
The inner personality wasn't just a split personality but a will created by splitting Calvin's soul into seven parts by the Oración Seis. After the progenitor demon taught Calvin the soul-sealing technique, his soul was divided into seven parts as intended.
After Calvin's battle with Gildarts, the progenitor demon used its last bit of power to infuse the Seven Deadly Sins' remaining existence into these seven sealed soul parts.
However, they couldn't utilize this power even if they were hidden within the soul. The progenitor demon gambled that Calvin would one day be highly weakened, giving the Seven Deadly Sins an opportunity.
Their luck paid off when Calvin was resurrected; the process left him incredibly weak, and the energy was at its purest.
The Seven Deadly Sins successfully occupied the hidden soul power, taking over the bodies of the summoned beasts.
When they could use magic, they erased the inner personality's consciousness, utilizing their countless years of experience.
However, the occupied soul power was reclaimed when the Seven Deadly Sins were defeated. These seven independent yet integral parts of Calvin's soul became his third significant gain upon awakening.
It felt like mastering a soul-splitting technique, allowing him to divide his consciousness into seven parts, following his command at will.
This meant Calvin could control seven summoned beasts simultaneously without any mental strain.
Imagine seven summoned beasts fighting together with Calvin supporting them.
Would any "human" still be able to defeat him?
However, Calvin acknowledged that summoning seven beasts at once would likely exhaust him.
This soul transformation was an unexpected boon for Calvin. Initially, he noticed it when Mavis instructed him to return home and study his Summoning Cards.
He researched Summoning Cards because Laxus had torn up the Dark Magician and its matching card.
This required him to create new cards.
Sitting at home, Calvin pondered how to design the new Dark Magician. Given his now immense magical power, more than replicating the old Dark Magician would be required.
"Well... since I need to make new cards, I might as well create a whole new set. The old ones are outdated anyway..."
Constrained by past knowledge and power, these cards had limitations. With his current perspective, they seemed somewhat outdated.
Calvin swiped his hand over his storage belt, and with a 'swish,' all his cards appeared in his hand, leaving him staring at them in a daze.
He reminisced, the days of creating these cards, and the battles fought with them—the joy and glory.
Bittersweet memories surfaced.
Reluctance was the only emotion.
"Farewell, old friends."
"Thank you for your company, but your glory doesn't end here."
Muttering to himself, the cards in his hand flickered, seemingly resonating with Calvin's emotions.
Calvin smiled slightly, found a box at home, and placed all the cards inside, carefully storing it in his storage belt.
"Now it's time to work hard. I'll create new Summoning Cards before the Grand Magic Games!"
With that, Calvin started thinking about the new card designs.
"The approach needs to change. Using magic cards to enhance summoned beasts is too cumbersome. And now, the summoned beasts almost have their own consciousness. Why not let them manage themselves?"
"The Seven Deadly Sins gave me an idea: embed the magic cards within the summoned beasts for quick activation of magic effects."
"In that case, I'll engrave these magic effects into the cards from the start. With my current magic power, I don't need to store magic in the cards beforehand."
"As for standalone special magic cards, I can probably easily cast those effects myself now..."
"Time seems tight. This time, I'll create fewer cards but with higher quality."
"Summoned beasts like Harpie Lady, which require various magic cards to level up, don't quite fit me now..."
"But I still need mounts for showmanship..."
"Speaking of showmanship, only using Yu-Gi-Oh as a reference might be too monotonous. Back then, I modeled my cards after Yu-Gi-Oh because the summoning style was similar."
"But the essence of Summoning Cards is the combination of magic arrays, inherently versatile."
"Actually, I have many characters to reference: Naruto, One Piece, Bleach... plenty of material for various series."
"Well... my imagination is running wild, but it's exciting!"
I must clarify that I never said the protagonist's magic was limited to Yu-Gi-Oh cards.
Those reading this book for Yu-Gi-Oh shouldn't be upset. It was always about using Fairy Tail's magic to mimic Yu-Gi-Oh's duel cards.
Therefore, it's only natural to mimic characters from other anime.
Also, the protagonist's cheat is finally coming online.