Regius had been rather annoyed at the recent events, not that he didn't like a good battle but what was with the fact that everyone wanted to have these fights when his equipment was leveling up. His power had risen rapidly and his personal mana along with it and now that he had become a demigod, he had two black holes in his mana space not allowing him to absorb any mana because the amount of mana that his signature equipment needed was astronomical.
It was right at that time when Regius realized that after all of this time , thanks to the massive upgrades to his body, and the rapid advancements, all the mana worlds in his cells were missing cores, but that wasn't the crucial part. The crucial part was that they weren't the batteries that he used to supercharge himself and his equipment.
