Broken Hero Sword

The  is a crafting material dropped by enemies during a Solar Eclipse. It is used in crafting the True Night's Edge, the True Excalibur and the Terra Blade.

Notes:
The Broken Hero Sword might be a referrence to the sword of Riven, a champion from League of Legends.

It could also be a reference to the sword you start with in Dark Souls, the Straight Sword Hilt.

This item may also be a reference to "The Legend of Zelda: Minish Cap", where Link obtains the Broken Piccori Sword and eventually reforges it into the Four Sword with the four Sacred Flames.