Zhou Tian's circumstances were exactly what the cultivators of the Old Power System had once dreamt of.
Why did so many living beings desire eternal life?
Apart from the fear of death, cultivators often harbored such desires because of the limitations imposed on their growth by their Lifespan problems.
Generally speaking, if cultivators encountered a bottleneck and had no opportunity to break through, they could be stuck for decades or even centuries. It was somewhat better for advanced cultivators; as long as they did not recurrently hit bottlenecks and cultivated at a fast pace, they usually achieved some accomplishments.
However, for those lower-ranked cultivators, the troubles they faced were significantly greater.