Here's an idea: you could technically, through the Grail, be able to track the variables of the counterparts of the Heroic Spirit and be able to have their DNA to be able to bring said characters and have your own "Throne of Heroes"
Become a KOL for my discussion channel!
Engage with others on the app, and become a moderator for my discussion channel. Let this be a place for sharing with other fellow bookworms!