Just having obtained this technology from 'Ian of the Swarm', Ian couldn't help but think of the phrase: "Could it be that Axel performed a comprehensive soul modification on himself?"
If he were the original Ian, he would hardly believe in so-called coincidences.
But now that Ian knew the truth of his Guiding Star Spirit Energy, he began to believe that all coincidences were intentional.
Not to mention, this hypothesis is actually quite reasonable.
At this moment, Ian even recalled that year in the South Sea Great Labyrinth when he saw a 'Learning Machine' deep within the Great Labyrinth.
Although it was quickly destroyed by Patrick, it was clear that Learning Machines capable of 'Echo Modification' were not unique.
There could be many of them, and they might have been acquired by a powerful entity like the Empire long ago, becoming prototypes for some kind of modification surgery.
For example, soul modification, the prototype for the Soul's Steel Seal.
