Under the sea, it was all darkness, not a trace of light existed. However, Lu Ye was ultimately a Constellation cultivator, and even in such complete darkness, as long as the distance was not too far, he could vaguely make out some things.
Of course, if the distance was too far, it was impossible.
Relying on Mental Consciousness was even less reliable. He had tried it before; in the seawater of the All Phenomena Ocean, his Mental Consciousness could not exceed three inches beyond his body. The pure and dense stellar space energy exerted too strong a suppressive effect on his Mental Consciousness.
He tried to construct Insight Spirit Runes to enhance his eyes, hoping to see more clearly, but it almost blinded him.
When the Insight Spirit Runes were functioning, they could allow observation of energy flow, thereby discovering things invisible to the naked eye.
