Stay or Go

[Hosts must be aware. Due to the damage caused by the demon from the Underworld, the portal is unstable. Well, to be more specific, the formations keeping it open are.]

Rean knew that. After all, not only did he and Roan break a few formations while heading to the floor with the core, Rean also noticed a lot of damaged formations along the way. He did his best to repair them. Unfortunately, there were way too many runes that he didn't know the purpose of or how to fix said runes. 'Well, I'm already surprised that the formation activated to start with,' Rean thought for a moment.

The system continued, [After initial analysis by surpassing the user's limitation, the system predicts that the portal's formations will break apart in 1176 hours. The margin of error is expected to be plus-minus 30 hours. Once that happens, the World Beast Formation will only be able to keep its initial purpose of strengthening the demon beasts of the planet.]