Because when they were left behind, they themselves were already in a fused state, symbolizing the accumulation of the inheritor's experiences, thoughts, and paths. It's more like a unique worldview and rules.
If one insists on naming it, it can still only be described as True Intent.
However, for Lin Guang, there's no need to be so conservative.
Not to mention that he also has True Intent and can unfold his Domain.
The key is that he scarcely has any of those random fringe Spirit Patterns; all of them are critical Spirit Patterns that dominate the overall situation. Moreover, most of the Mystical Techniques of his teammates are integrated with the system's three grand Talents and True Intent Inheritance, further centering around the dispatch of True Intent in advance, thoroughly utilizing and merging everything.
The Equal Contract Technique greatly reduces the capacity consumption brought by contracts, making his Sea of Spirit capacity more than ample.
