*(OuterUniverse)*
"Jokes aside..." Erasing all that lunatic facet, Shadow says, serious, "... We can say that cursed energy can be considered a metaphysical entity, it understands requests, intentions, and how to manifest itself, Something like an artificial intelligence; you give it a description of what you want, and it does it. At first it will be a little difficult, but over time, it will learn and improve, together with the user; it is a tool."
"Several people may possess the same cursed technique, what we can call 'one ', but various factors differentiate them. One of these factors is Interpretation. Different points of view are what makes 'One ' different from 'Two'."
"Mahoraga and Yamata no Orochi, Both possess the same technique, but Yamata is a cursed spirit, an individual being, It has its own interpretation. Mahoraga is a shikigami, partially dependent on its summoner interpretation is limited to the human mind."
"Interpretation and Observation is something extremely powerful. Ryomen Sukuna, simply by observing Mahoraga's real-time adaptation in relation to Satoru Gojo's infinity, was able to rewrite his cursed technique, so that he could overcome Satoru's defense."
"Dragon scales... Repulsion... Twin meteors."
"Enchantments in Jujutsu are also important; they increase the spell's strength; Sukuna's world-cutting slash could only be used once without incantation because Sukuna was gravely injured. The vow was that its to be used only once without enchantment; all other uses will require enchantment and hand seals."
"The cursed technique of my favorite genius..." (A/N: Nuh-Uh, No Spoilers)
"His future is bright. Mephiles, do you know why I sent him to that world?"
The reason why Mephiles hasn't interrupted until now is revealed; Mephiles is seated in a chair, bound with golden chains that radiate the cosmos around them.
Resigned, Mephiles nods negatively.
"That world is corrupt, disgusting, vile, permeated with negative energy... A paradise for curses and sorcerers alike..."
"Stopping to think about something..." A lightbulb goes off in his head.
Taking the bulb and placing it in a lamp next to the armchair, Shadow shares, "...Cursed energy can be considered vital energy; cursed spirits can only be killed by cursed techniques and weapons; human immortality can be achieved through cursed energy?"
Remembering case after case, Shadow slaps his forehead, "Ah, silly me... Kenjaku and Itadori Yuji already figured that out."
Having managed to remove the tape from his mouth, Mephiles speaks, "Is it wise to give such a creature a conscious mind? Your champion may not be able to defeat it."
"You shouldn't underestimate my champion; everything I put in his path, and I mean EVERYTHING, is there only to strengthen him." Shadow's conviction in Atlas is unbreakable, "Call it... Protagonism."
With each word spoken from Shadow's mouth, the cosmos that envelops them becomes increasingly saturated, "The protagonist's only true role is to defeat, humiliate, and evolve; a true protagonist doesn't bow down, doesn't have training arcs, and has no equals. Struggle is inevitable, it's part of the process, but defeat is unacceptable..."
One, two, three... ten... thousands, billions, infinite realities in the form of shards of mirror form.
The air, if such a concept still exists in his domain, becomes heavy with Shadow's next words, "Losers Will Never Be Protagonists."