He had reaped just about all the basic benefits the authority had to offer. Next, he needed to develop it on a deeper level, but that seemed difficult. Simply having the authority wasn't enough.
Besides having the authority, he also needed the ability to use it. The problem now was that his level was insufficient. The authority was like an extremely complex piece of source code, but he could barely run any of it. How could he raise his level without running it? And without raising his level, he couldn't run it. Had he backed himself into a dead end?
After some thought, it seemed he could only "borrow" some from someone else.
In all of Marvel's multiverse, only one person was the most skilled at "borrowing power."
For years, the Ancient One had traveled among the major dimensions, borrowing dimensional authority from top-tier beings such as Dormammu, Cyttorak, and the lord of the Scarlet Dimension to suppress calamities and strengthen Earth's dimensional barrier.
She always borrowed without repaying, even using their power to fight them. This was the core method by which the Sorcerer Supreme played the multiversal game.
Once one thought was clear, all things became clear.
Rimuru's eyes suddenly lit up. He had figured out the most domineering, fastest, and most shameless way out.
If the Ancient One can do it, so can I. The Ancient One is powerful, and I have authority, so why can't I borrow power, devour it, and repay none of it?
The dimensional power of the dimension lords was the best nourishment for expanding his soul, raising his level, and bringing it into line with the mysterious authority!
Without the slightest hesitation, he opened a portal and stepped into the Sanctum Sanctorum of Kamar-Taj in an instant.
As usual, the Ancient One