A full half hour passed.
Lu Yang and the others had been flying downward at full speed, yet only now did intense light appear ahead.
When Lu Yang and the others flew out of the cave, they instantly saw an enormous blue-green city in the underground world.
"How is this possible? This city is even wider than the Sea of Corpses and Blood above." Starblade Quasi-Saint spoke in disbelief.
The city's diameter was roughly one million kilometers. It was practically a vast underground world, and every building within it stood a million meters tall.
Lu Yang and the others were still several million meters above the nearest part of the city, giving Lu Yang the illusion that they had arrived on an entirely new planet.
"Where exactly is this?" Moonlight Quasi-Saint's voice was somewhat loud.
"Buzz~!" A terrifying aura suddenly flew toward Lu Yang and the others.
Lu Yang sensed the danger before Chanhe Quasi-Saint and the others did. He hurriedly signaled for everyone to be silent and quickly flew downward.
Less than two minutes later, a Saint Tier 6 Origin Demon hundreds of thousands of meters tall flew past the spot where Lu Yang and the others had just been standing, holding an enormous scythe.
"Holy shit." Divine Power Quasi-Saint and the others were dumbfounded.
Lu Yang tried using his senses to probe the surroundings. Just as the voice in his soul had said, his perception could not penetrate outward at all.
"That Saint-tier Origin Demon didn't discover us through perception. It found us through sound. Don't speak. Use mental transmission instead," Lu Yang said.
Candle-Burning Quasi-Saint looked at Moonlight Quasi-Saint and said, "Lend us your treasure."
"Huh?" Moonlight Quasi-Saint was reluctant, but under Candle-Burning Quasi-Saint's pressure, he slowly pulled several golden threads from his robe. The instant they