武者幽霊 · yurei · Various regions

Musha-yūrei

Musha-yūrei are the spirits of fallen warriors, often depicted in armor. They represent the honor and tragedy of battle, linked deeply with bushido ethics and the samurai ethos.

Legend

These spirits are believed to wander battlefields, seeking peace or revenge for their deaths in combat. Rituals performed for them often reflect respect for their bravery.