It was not as if Lu Qing had never used the ability to merge cultivation techniques before.
But now that he thought about it, the fusion of cultivation techniques earlier was rather rough.
It couldn't be considered rough, but it was already a very exquisite technique to merge the power attributes of many cultivation techniques together so that the moves of different attributes could be freely released without the need to switch.
Not to mention that these Zhu duo cultivation techniques were all divine-grade cultivation techniques.
If it wasn't the system, but someone else who could do this, it would be a miracle.