C2670 Why Don't You Believe Me?

This was the first time Yang Bo had secluded himself for such a long time. In the past, he only needed to spend time cultivating every day, and he would be able to improve his cultivation base step by step.

However, when he reached the Dao Combination Stage, he needed to spend more time cultivating. Even Yang Bo could not do it overnight!

Yang Bo walked out of the room