For strength, quantitative change leads to qualitative change. But learning a new skill needs an enabling chance; one can try for an entire life without ever learning a single skill…
Su Ping calmed himself down.
The more anxious he was, the worse it would be for him.
He needed to stay calm in order to think straight.
First, he went through the skills he had mastered.
He had learned the elementary rules of thunder and flames; as for the other elements, he didn't even reach the elementary level yet.
Those were more like skills for trainers but he could use them in battles as well.
He had learned the Sin Cutter from Dust and he had gotten the Fist of Exorcist from the system!
He had other combat skills such as the Sword of Blood and Demon Possession which he had taught to Tang Ruyan.
He had skills to assist his battle pets, like the augmentation skills and killing intent that could inspire the battle pets.