Chapter 151: Fighting against a Golden Core Puppet

In his dantian, the spiritual energy was forming a blue core.

The core was siphoning the profound energy hungrily.

He sat in a lotus position and ran his cultivation technique to the limit.

As he was trying to complete his core refinement, he noticed his cultivation technique was not as fast as before.

'I need to change my cultivation technique,' he thought.

Su Yen had always been a decisive young man. Immediately, he noticed his cultivation technique was slowing down.

He opened the system store and purchased a new cultivation technique.

He didn't care about his destiny points and learned it immediately.

Since his cultivation technique was of Heaven Grade, his cultivating speed was twice his previous self.

With his new cultivation technique, a whirlpool of profound energy formed above his head.

His cultivation rose steadily with the profound energy, from early Core Refinement stage 1 to stage 2.