Hattori's Katana

 is a melee weapon which has a special charge attack that will be activated if the attack button is held down after an attack. The charged attack deals damage.

Trivia

 * This weapon, along with the Blade Master's Outfit, is a reference to the Game Katana Zero
 * It in particular is named after Hattori Hanzō, the sword-smith who created the weapon.
 * This weapon was added due to high popular demand for a katana weapon, similarly to the and the.
 * Holding 2 of this weapon with a legendary and normal version will let you do 2 consecutive crit dashes with the right timing, with the second attack traveling a bit less far. The timing is precise and you must hold the other attack button immediately after the red slash at the end to execute the second consecutive crit dash.
 * Because of the large vertical range on the charged slash it is possible to kill Kamikazes and other enemies that hang on the ceiling through thin floors and platforms.