Blade of the You-Kai

The Blade of the You-Kai is a craftable Hardmode broadsword. It inflicts the Shadowflame debuff on enemy hits.

Its best Modifier is Legendary.

Trivia

 * If you remove the hyphen of the name, you'll greet with the name "youkai" the Japanese translation to "yōkai". Yōkai is a term mostly associated with Japanese folk creatures and ghosts.
 * Yōkai is another word for "ghost", "phantom" and "strange apparition".