Huff—huff!
A little tired.
Even for Li Su, with four Saint Supremes and completion of the Billion Dao Realm, keeping this up continuously for two or three days was still quite taxing.
He still had some leeway when it came to mana.
The mental drain was what was truly terrifying.
Most importantly, he had not conceived a main world, nor had he transformed the Supreme completely into a full-fledged world.
Operating like this, the control and mobilization of energy all had to be carried out through himself. How profound was a Saint Supreme? The higher one's realm, the harder it became to wield—not easier, but ever more astonishing.
It could be said that the consumption every second was incomparably immense, calculations enough to drive a star taking place within him.
Faced with the nearly endless red tide, even Li Su could not help but grow weary.
Even if their realms were low, they had accumulated over hundreds of thousands of years. If not for the enormous expenditure of nurturing more than sixty Extreme Daluo, Li Su would likely have been in an even more miserable state by now.
But just how vast was this world?
Although he had not advanced quickly, after so many hours, he had covered at least thirty to forty million li.
One had to know that, on Earth in his previous life, going straight around the globe was only tens of thousands of kilometers.
And yet after thirty to forty million li, he still had not reached the end. Just how large was this place?
Though he was somewhat exhausted and had grown rather sick of killing, after all this time, he had gained at least some understanding of the ironworm-like things within the red tide.
Especially regarding why they could suddenly develop thoughts.
It had