Ruins were different from Secret Realms. A Secret Realm had a separate space of its own, while Ruins existed in the wider world.
As for why Ruins had conditions for entry, that was more complicated.
Perhaps a lingering formation covered them, perhaps the surrounding natural environment was unusual, or perhaps a collision between star systems had simply warped the rules.
The star system containing the Sin Abyss had extremely complex terrain. The spaceship's spatial formation switched on and off, and Lin Qing's group spent two full days threading through the debris before they finally reached their destination.
"This is it."
Tu Mi stopped the spaceship and turned toward Lin Qing, who sat nearby cultivating.
At her words, Lin Qing ended his cultivation. He opened his eyes and looked ahead. A wall of stone blocked the spaceship's path.
Lin Qing took a few steps to the viewing window. Through it, he saw an irregular rocky celestial body so enormous that it dwarfed even an ordinary star.
This was the place?
Lin Qing swept his gaze across its surface. With his current eyesight, he could make out a person's face hundreds of millions of kilometers away, yet he saw no trace of Ruins. Wherever he looked, there was nothing but stone.
"Stop looking. They're inside!"
Hua Yao came over and stood beside Lin Qing, looking at the massive rocky body outside.
"Inside? Where's the entrance?"
"It'll open any moment."
No sooner had Tu Mi spoken than the rocky body before Lin Qing trembled faintly. He hurriedly scanned its surface again.
Soon, he spotted a hairline crack on its surface. The crack ran so far that it divided the entire body in two, and it was slowly widening.
"The crack will keep widening until it reaches about five million kilometers across, then slowly