Regarding the suns and moons, Wu Yu noted that only the Ancient Demon Realm and the Jambu Realm were alike.

The Stellar Realm, the Divine Battle Realm, and even the Great Ancient Ink Realm they were now in were all different.

The Great Ancient Ink Realm had no moon, only a black sun and a golden sun.

When the golden sun was in the sky, it was day. When the black sun was in the sky, it was night. The night here was especially dark, because the black sun absorbed light. Even if everyone in the Great Ancient Ink Realm was a cultivator, they would still be affected by the darkness.

For now, those like Su Yanli could not even see very far. Perhaps only Wu Yu could move freely without creating any light. 

He knew that when the black sun was in ascension, it was night for the Great Ancient Ink Realm, and people seldom moved about here.

Just like the mortals of Dong Yue Wu, who were unable to go out without candlelight.

Here in the Great Ancient Ink Realm, even if one used candlelight or other light sources, most of it would be absorbed by the black sun.

Therefore, nights in the Great...