"Dear passengers, we have passed South Station 02 in the West District and entered Star City. Please enjoy the beautiful scenery along the way."
"This train will next continue toward its final destination, Central Grand Star Station."
The Red Heart's voice announcement rang through the carriage again.
The people from Hero World had already turned to look at the scenery continuously sweeping past outside the windows.
Although the station seemed rather empty without any other passengers, the decorations on the platforms on both sides were clearly quite luxurious.
The overall design was dominated by silver-white, paired with blue and black.
The visual effect was simple, elegant, grand, and filled with the charm of ultra-modern architecture.
"So, from this moment on, we've arrived at Sea Star—only, it's a subspace attached around it?"
Child Emperor A Yong murmured as he gazed at the scenery.
"Bingo~"
Dr. Stylish, walking in the row ahead of him, snapped his fingers. "This is the greatness of the Star Gate~"
"No matter how many light-years apart two places are, even if they're at opposite ends of the universe, it can let us travel between them instantly~"
"It can even connect different universes~"
Child Emperor A Yong frowned. "Dr. Stylish, do different universes truly exist? Rather than everything being within one universe? And how do you determine that they are different universes?"
"Quantum entanglement."
Dr. Stylish turned around, raised his right index finger, and smiled.
"After repeated experiments, we discovered that two particles with entanglement properties lose their nonlocal effects when they belong to different worlds."
"For example, Sea Star and Nuclear World, or Zero Magic World and the Shinobi World. Yet between Nuclear World and Zero Magic World, the effect returns to normal."
"That is enough to prove that the former are not in the same universe,