zenless zone Zero
Beliora Vike

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Beliora Vike — alongside Lieutenant Colonel Remielle Dan of the Guard of Staves and the Leader of the Falkenhayn Mercenary Troupe — was responsible for pushing the Dark Wall back by thirty-seven kilometers.
Beliora Vike formally known as Colonel Vike, is the Eridu Era, and was one of the first seven people to be awarded the title of "Void Hunter."
Due to an experimental accident years ago, the Ether within Vike rose beyond control until she became an Enchainer, forcing Remielle to personally dispatch her.