As the sky gradually darkened, the battle between Leon and the evil dragon had already lasted nearly half a day.
They had begun fighting at around three in the afternoon, and by now four or five hours had passed. For ordinary people, fighting continuously for so long would have left them utterly exhausted, but for them, it was nothing at all.
Strictly speaking, in terms of exertion, it was at most a "warm-up."
When legendary powerhouses sparred, they often fought for days on end. As a peak legendary, so long as Leon wished it, even fighting nonstop for several months would not be much of a burden to him.
As for the evil dragon, it had not even used its true power yet.
As night fell, the powers of nature shifted, and the powers of darkness and evil gradually gained the upper hand. Influenced by the celestial changes, the evil dragon's strength began to rise as well.
It was not that it was like some low-grade Demonic Beasts, weak by day and powerful by night. Rather, with the coming of darkness, the degree to which it was "awake" was gradually increasing.
This Demonic Beast, formed from the fusion of a fragment of a holy spirit's soul, an evil dragon's soul, and the aura of the Abyss, was slowly adapting to and mastering its own power, gradually transforming from an "aggregate" into an "individual."
In battle, this manifested as a considerable improvement in its control over its power. The aftershocks spilling out from its attacks were slowly diminishing, and its every strike was gradually no longer as earth-shaking and heaven-shattering as before.
This was naturally disadvantageous for Leon, making the battle more arduous. Yet he was not afraid. Instead, he grew even more excited.
What he wanted was to challenge a