Lu Changsheng had no particular thoughts.
Only when perceiving the massive body of the Cangxuan Guardian Beast just now, though the primary reason was that its lifespan had been exhausted, leading to its life nearing its end.
Yet, its body also suffered from numerous hidden ailments accrued over years of battling. Under these terrifying and concentrated ailments, its body's self-healing system was significantly affected. In such a case, even if one were to forcibly extend the lifespan of the Cangxuan Guardian Beast, it would only leak out at an extremely fast rate after the extension, which is like curing the symptoms but not the root cause.
Now, the body of the Cangxuan Guardian Beast was like an empty bottle, already full of holes. And lifespan is like water; even if you pour water into it, the water will flow out from those holes, and eventually, it will become an empty bottle again.
This is the current situation of the Cangxuan Guardian Beast's body.
Therefore.