"My own body really is better. No matter how abundant a Servant's magic was, it couldn't compare to this body."
After taking stock of his body, Karn sighed inwardly, then silently cursed the shitty system. It had actually sent his soul, or rather his consciousness, straight into another world. It was far too unreliable.
Although the Trading System had helped him a great deal, that did not stop Karn from finding fault with its incomplete functions.
"Next, I need to confirm the Holy Grail outside the world, then make a 'wish' to the Root. But I should head to that world first."
Karn checked the time. He had not been gone long, and Erik had been in the room helping watch over his body, so nothing unexpected had happened. As for the Marvel Universe, the Karn Group had already become a behemoth on Earth. Unless the major civilizations of the universe attacked Earth, there would be no danger.
After opening the system panel, Karn directly selected the Fate world whose world coordinates he had bound. Once he confirmed the transfer, he vanished from the Marvel Universe in an instant.
On Mount Enzō, Rin Tohsaka and Illyasviel von Einzbern had already spent five hours outside the magic circle. They had gained an enormous amount during those five hours. Thanks to the substance of the "Root" spilling in from outside the world, Illyasviel von Einzbern had directly mastered the Second Magic and Third Magic, and had even gained considerable understanding of the First Magic.
However, Illyasviel von Einzbern could neither explain what the First Magic was like nor use it. Her foundations in magecraft only supported her learning this much. This was also related to Karn's modifications to the magic circle; otherwise, an ordinary person's body could not have withstood the substance