***Backstory - Vier's Last Day At The Guild Infirmary***
[PoruShark Writer's Note. The Narration / POV will alternate between Misaki-sensei, Leaena-san, and Vier.]
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More than 2,000 years ago, the Purus Empire, or the Purus Kingdom back then declared an all-out war against all the other Kingdoms around its territory, especially against the Smilodon Kingdom, the largest Kingdom in the northern part of MonoChrome continent at that current time.
The Purus Kingdom was able to claim victory in this war because of one powerful High-Level Dungeon Artifact that they acquired from the Dungeon-Core of their Kingdom.
With its victory, their King ordered the destruction of every, Village, Town, and Capital that they had conquered and the execution of all Demi-Humans and Half-Race who were captured as prisoners of war including Humans who were carrying Demi-Humans Bloodline in their blood.