Chapter 2239

Inside the room, Obi was transmitting spiritual energy to Isaac.

Even Lucifer hadn't expected him to take such a radical and risky action.

Everything in the world revolved around the conversion of energy.

Among martial practitioners, spiritual energy's power and intensity were proportionate. People were merely vessels for this power.

The practitioner could increase spiritual energy through cultivation or transfer it into the body through special techniques.

However, few people knew about those techniques. Although they could rapidly enhance one's strength, the cost was enormous.

And now, with no sound coming from inside, Lucifer was well aware that the energy transmission had failed.

Isaac was dead, and Obi undoubtedly had no way out.

After hearing Lucifer's words, Hera couldn't bear it any longer and rushed in.

Altair, Evie, and others behind also rushed into the study.

When they entered, Obi was still sitting cross-legged on the ground, with his head drooping and displaying