Spirit Sword

The Spirit Sword is an Dungeons Sword.

Obtaining
The Spirit Sword can be found in Dungeon Reward Chests in The Catacombs - Floor IV.

Trivia

 * This sword's ability works only when the player is a ghost in Dungeons.
 * The name of the ability "Spirit Bomb" is probably a reference to the "Dragon Ball Z" and Goku's famous move "The spirit bomb" also knows as the Genki Dama.