Note: This game is also titled Oboro Muramasa.
Successfully complete the game on the Shura difficulty to unlock the Shigurui difficulty. In this mode, you will only have 1 HP.
Unlock both Kisuke and Momohime's second ending. The white barriers on the map will disappear, allowing you to face the Bosses from both characters' Story mode again. The Boss gate will not disappear. Defeat the indicated Bosses again to get the corresponding accessory:
Successfully complete the indicated task to unlock the corresponding ending:
Kisuke's first story ending: Defeat Tokugawa Tsunayoshi.
Kisuke's second story ending: Successfully complete both characters' story. Equip Mumei Tamanoo and Tsukiotoshi before entering Tokugawa Tsunayoshi's Boss arch in Edo Castle.
Kisuke's third story ending: Successfully complete both characters' second story. Equip Oboro Muramasa before entering Tokugawa Tsunayoshi's Boss arch in Edo Castle, then win the battle.
Momohime's first story ending: Defeat Fudo-Myoo.
Momohime's second story ending: Successfully complete both characters' story. Equip Mumei Tamanoo and Tsukiotoshi before entering Fudo-Myoou's Boss arch in Yamato, then win the battle.
Momohime's third story ending: Successfully complete both characters' second story. Equip Oboro Muramasa before entering Fudo-Myoou's Boss arch in Yamato.
Successfully complete Story mode for both Momohime and Kisuke to unlock an option to view the credits at the title screen.
The random blue souls found in enemy rooms will respawn. Save the game, and quit. They will reappear when the game is resumed. They will not appear again if you leave that area and re-enter.