"One trillion years of lifespan could endure one hundred tribulations," rapid prompts flashed in front of Gu An's eyes, with no change in length, meaning all failed.
Gu An was not at all panicked, he continued to invest a trillion years of his lifespan.
His eyes were constantly focused on the prompts in front of him.
In the mysterious and eerie Hongmeng Great World, purple mist surged.
As Gu An continuously invested lifespan, when he had poured in five trillion years, his face finally showed a change.
He began to have an ominous feeling, but fortunately, he still had fifteen trillion years of lifespan left, so there was no need to panic.
After investing another two trillion years of lifespan, the prompts finally changed.
