2480. Touch Of Space

The overwhelming aspect was the sheer force of the manas behind the bridge to the elemental planes. It wasn't that he was unable to sense it, just that he was unable to encompass it. 

Walker was attempting to wrap his mind and control around so much mana that he could not even attempt to comprehend the actual strength of it. This was something that even those entirely made of the mana would struggle to do. Hence why he now had a glimpse of the world that the elemental kings would be part of. 

They were the embodiments of their mana within the elemental planes. They had to handle their elemental planes in the deepest and most core places within the elemental planes because that was where they came to be and existed within it. 

While they possessed the ability to move all the mana within that plane, that was because they were basically the will of that mana given some form. The true sages were the ones who were actually able to do more.