The moment Side Quest ③ was completed and he claimed the reward, receiving the [Spell Development Module], Vaughn naturally grasped how to use it.
Opening his half-closed eyes, Vaughn looked at the Spell Development Module on the system panel and focused his attention on it.
"Activate!"
Buzz—
The instant the command formed in his mind, Vaughn felt his brain shudder violently, and then his consciousness plunged at high speed.
In an instant, his consciousness passed through layers of darkness and fell into a hall made up of countless illusory bookshelves.
This was his memory archive, also known as his mind palace.
For any memory wizard, this was the most important place. Compared to it, the body was merely a compound composed of carbon, calcium, oxygen, hydrogen, and so on. When a soul first arrived in this world, it too was blank.
What allowed a person to recognize the "self," what proved that you were you rather than some other existence, was memory.
It was memory that shaped you into an individual utterly distinct from everyone else!
That created the concept of "I"!
Ever since learning memory magic, Vaughn had hidden his memories deep within his Mindscape, placing them under layer upon layer of protection.
Under normal circumstances, apart from the memories that had been sorted and filed away, only his own consciousness existed here. Nothing else should have been present.
Yet now, in the center of the palace surrounded by towering illusory bookshelves, Vaughn saw something new.
A cube that seemed regular in shape, yet was actually changing constantly!
It possessed the square structure of an ordinary cube, but every second—or perhaps in an infinitely divided instant within a second—six new faces unfolded from its "interior," forming a new cube.
"A hypercube..."
Vaughn's expression turned grave.
Though he was somewhat