Reid Astrea was the original Sword Saint—basically the benchmark for what that title means. He's famous for being one of the main players in taking down the Witch of Envy four centuries back, which is kind of a big deal in the grand scheme of things.
One thing fans often note: that eyepatch he wears isn't functional. Both his eyes work perfectly fine. It's purely decorative, though he clearly commits to the look.
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