Reason for being Isolated

"Uh… no, I don't get it," Alex said. "What's a secret realm?" He had never heard of something like that during the last 5 or so months he had been in the game. 

"Huh? You don't know? Wow, the humans really don't know much, huh?" Yao Jia asked. "And here father said that humans were superior in most cases because they are closer to the gods."

"Hmm… what was that?" Alex asked. Yao Jia said something that piqued his interest. 

"I'm saying you guys are stupid. How do you not know about secret realms?" Yao Jia said.

"So… are you going to keep insulting me and not explain?" Alex asked.

"It's just a hidden space inside normal space. You know how storage bags work right?" she asked. 

"Yes," Alex said. "If I remember correctly, they use some sort of formation to squeeze space into those bags."