C2629 I Don't Want to Regret It

High-level breakthroughs are very risky, and if you're not careful, you'll fail; if you succeed, you'll have to take the test of the terrifying lightning tribulation.

The terrifying lightning tribulation was the heavenly tribulation. This was a tribulation that cultivator couldn't avoid. What cultivator wanted to avoid was the human tribulation, or the interference of humans