The world might be unfair, but the System isn't.
The way it operated followed set rules, and it adhered strictly to them. Breaking those rules, or causing deviations, were met with certain consequences.
Curses only existed due to the fairness of the world's principles.
As such, any Beast that an individual summoned had to be returned to said individual. It didn't matter their location or position.
They would still appear before the one who called them.
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The stage was set.
Rey stood before a Magic Circle, his eyes keenly focused on the egg that sat at its center. The object shone with purple light, but the black mist that danced around it seemed to suppress the power that lay dormant inside.
It almost felt like whatever was inside wanted to explode, but the cage that restricted it forced the creature to remain within.