Diffusion of the Darkfire Crystals

From the beginning, Ajax was following the System's instructions on his breakthroughs because the system would deduce a perfect breakthrough depending on Ajax's body constitution and other factors.

Of course, it would show the breakthroughs from normal to perfect level and it was in Ajax's hands to select which type of breakthrough he should have.

For example, Ajax could use a Smaller World Core to break through to King's Realm; however, he used Normal World Core and for breaking through to the Emperor's Realm, he used a Greater World.

In that realm, Ajax's body could only withstand a Normal World Wore; however after he became a King realm, his body could hold the power of a Greater World Cores.

That's the reason why Ajax could skip levels and realms while killing his opponent.

Therefore, Ajax was waiting for the system to show the requirements for him to break through to the mid-level Emperor Realm.

'Ding,