Why Can't the Prehistoric Spiritual Roots Be Used to Cultivate Immortality?

ChuanxuanNo system He traveled through time and came to the world of immortal cultivation, spent 17 mediocre years in a small village, and finally survived the arrival of the immortal master. But Lu Ping possesses ancient spiritual roots. As long as he steps into the immortal path, his lifespan will be drastically reduced. He will die if he cannot advance to the realm within a short period of time. It takes a lot of time for ordinary monks to advance to the realm. Lu Ping's lifespan is extremely short. So how can he break this ancient curse of almost certain death...