3-Martail Skills!
In a sense, an inscription master was also one kind of array master.
An inscription symbol could be called an array formation, except that the inscription symbol was on a much smaller scale, and the total amount of true essence needed was also correspondingly low.
However, for a large-scale array formation, one needed to be at least a Houtian stage master to begin studying it.
Sam took a cursory glance at these array formations in his mind; not even a Xiantian master would have any hope in arranging these.
"If I want to learn array formations, I don't know in what year or what month I'll be able to do so…" Sam shook his head and completely sealed up all the memories.
In the space of the Miracle Cube, there were tens of thousands of souls; it was simply impossible to always choose one that was useful. It all came down to his luck.