Fei'er had advanced to Rank Four because she had taken part in the behind-enemy-lines Black Magician strikes and harassment operations launched by Wizard Civilization during the early and middle stages of the war.
Fortune was sought amid danger.
Many Black Magicians had made their fortunes on the Galente Federation Battlefield.
Of course, even more Black Magicians had been permanently left behind on that Civilization Battlefield.
Some exceptionally unlucky Black Magicians and Black Knights had even been captured alive by Galente Federation Fleet groups.
What awaited them was transport to secret research bases built by the Galente Federation across various star domains, where Federation scientists would dissect and study them.
On the path of exploring the scientific realm, the Federation scientists' madness was not much inferior to that of Wizard World mages pursuing Truth Arcana.
The only difference was that Federation scientists did not possess much individual strength.
Researching through the power of technology was the path they walked.
According to incomplete statistics, around the outbreak of the Civilization War,
the battlefield casualty rate among Black Magicians above Rank One in the Black Domain had already exceeded eighty percent!
The attrition rate among Rank Four and above Black Magicians had reached more than sixty percent!
In other words, of the vast number of low-ranking Black Magicians who had headed to the Galente Federation Battlefield to wreak destruction behind enemy lines, fewer than twenty percent ultimately returned to the Black Domain alive.
That Fei'er had returned from such a deadly behind-enemy-lines battlefield showed just how great the risks she had endured.
Of course, the greater the risk, the greater the harvest.
Her advancement to Rank Four was only natural.
—She had fought for it with her life.
Moreover, the losses among Rank Four and above Black Magicians had also been severe.
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