This is true

The battle formula was the source of battle. The more one cultivated, the more difficult it was to comprehend.

It had been a long time since he had cultivated the battle formula to a 100% success rate. During this time, he had not given up on comprehending the battle formula. As long as he had the time, he would comprehend and cultivate it.

He had cultivated for such a long time before breaking through. It could be considered that success came naturally when the conditions were right.

Of course, he needed to deepen his understanding to increase the success rate of triggering it.

It would be even more difficult to increase the success rate by six times.

Lu Ming did not have to wait long. Sect leader Wang came again after about seven days.

"Sect leader Wang, how's the investigation going?"

Lu Ming asked.

"This ..."

Sect Master Wang looked at Lu Ming with a strange expression. little brother mu Yun, we didn't investigate clearly before. It's my mistake!