When I was imagining what Tinisha’s sword would look like, I had taken inspiration from single-edged Asian swords such as this Mongul sword. I have seen in many documentaries that single-edged Asian swords such as the Japanese katana possess enough cutting power to cut through at least three thick pieces of bamboo with a single strike. Taking this fact into consideration, I thought Tinisha’s elf sword should possess the lightness, speed, and precision that Asian swords have demonstrated in the past. If you combine these factors with Tinisha’s superhuman speed, strength, and reflexes, then you would have a terrifying warrior to behold.
Grady P Brown - Author 
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The katana has always been my favorite (though the longsword is right up there with it because of its identifiable strength).
A sword of this kind definitely seems well suited to an Elven character, for some reason I couldn’t imagine an Elf wielding a Medieval broadsword; although that being said anything is possible in the realm of fantasy writing.