Potential.

While the trio quickly went back to cultivation after their little trip, Ozul was on his bed, thinking about the new ability he had discovered.

After absorbing the Three-Tailed Monkey, it became obvious this was his true path all along.

Instead of waiting to stumble upon a treasure with dense enough energy for him to refine and absorb, he could've just consumed all the people he had killed and gotten much stronger.

But there was no need for regrets now. From that point onward, he decided not to let any Transcendent go to waste.

'Is it really alright?' He felt the need to ask himself the crucial question. Killing someone and devouring their life essence were two different things.

It wasn't any different from what the Celestial Phoenix was doing except for the fact that he wasn't using his mouth to swallow for the process.