Ian did not react immediately to Korizen's soul fragment pledging loyalty.
At this moment, he was intently sensing the changes within his body brought about by the fusion of the Fairy Soul and the Immovable Fortress body.
In Ian's original plan, for the Steel Pioneer to reach perfection in its fourth stage, both the Fairy and the Immovable Fortress had to reach the Fourth Energy Level and merge. He would also need a specially crafted "Void Realm Mech-God" to resonate with his soul, thoroughly achieving fourfold perfection in "body," "soul," "skill," and "Origin Matter," becoming a flawless super-lifeform in a certain sense.
But that was theoretical "perfect advancement"... In reality, if he merely wanted strength equivalent to the Fourth Energy Level of the traditional Ascension Path, perfection was unnecessary. The Steel Pioneer could more or less cobble together that level of power.
The Immovable Fortress already possessed the Fourth Energy Level "Aether Furnace Core," the Fifth Energy Level "Blazing Light Marrow," and the Fifth Energy Level "Dragon Heart Core."
The Fairy possessed partial Fifth Energy Level fragments of the "Core of the Heavenly Ladder Tree of Life," as well as the complete "Star God's Gift."
And the specially crafted "Void Realm Mech-God," Terra's Heart, had long since been completed by Ian.
To be honest, if all he sought was the Blood of the Apex Seat at the Fifth Energy Level, Ian had already gathered two or even three Fifth Energy Level sublimation organs. Once he completed any Fourth Energy Level bloodline true form, he could immediately begin preparing to achieve the Fifth Energy Level. The speed would be enough to leave everyone dumbfounded.
That was the advantage of having a deep foundation and being invincible among those of the same level. Whenever he did not need to be invincible at