sword_of_exorcism
Magic sword used to slay mononoke in Mononoke.
To unsheathe the sword, mononoke's Form (形/katachi - name, shape, physical appearance), Truth (真/makoto - state of being) and Regret (理/kotowari - state of mind) must be known.
Two different swords of exorcism have been shown:
The one held by the Kusuriuri (Mononoke) in Mononoke and Ayakashi is red and gold with many round embedded jewels. The pommel is a goblin-like head with facial hair. When drawn it has an orange and purple energy_blade. Its name is Ri.
The one held by the Kusuriuri (Gekijouban Mononoke) in Gekijouban Mononoke is yellow with a design of purple scales along the grip. The pommel is a dragon-like head with sharp fangs. When drawn it has a black and yellow energy blade. Its name is Kon.