Deus' skills and authority would become a joke if he didn't attempt to defeat those who had a stronger power level than him. One should know that authorities weren't that easy to acquire and the reason why Deus even had two of them was because of his system.
Even demon lords at High Realm Peak Stage might not have any authorities. But even if Deus had that advantage, his power level was still at Half-Step High Realm. It would be difficult even for him to defeat a demon lord at the High Realm Intermediate Stage with his current strength.
Not because Deus was weak, but because his enemy was just too strong for him! Haize's power level far surpassed what planet earth could produce.
In the future, there might be human prodigies and geniuses who could achieve a High Realm power level. But for now, it hadn't been that long since the alien invasion had started so the human race was still adapting to the sudden changes.
