Fix
'What did you just say…!?'
Ailsa wasn't one to lose her cool. In fact, all the moments she spent doubting herself were done in silence. If it wasn't for Ryu's connection with her, he wouldn't be aware she even had insecurities at all. She would always be that confident big sister to him.
However, the words Ryu had just spoken were too shocking.
A Realm Heart was what differentiated a Small Realm from a True Realm. It wasn't a matter of size, it was a matter of substance. There were many Small Realms in existence that even rivaled True Realms in how expansive they were, but in the end, they could only rely on True Realms to sustain their existence.
Ryu was very familiar with Realm Hearts. After all, he spent many days sitting upon Shrine Mountain, the dignified Realm Heart of their Shrine Plane. Its power was unimaginably vast, and even as the Scion of the Tatsuya Clan, Ryu only had respect in his heart for it…