How to obtain:
A blade with a demon's soul bound inside.
Translation: Onimaru (Ogre Zero)
Kali is one of the manifestations and cult titles of the wife of Shiva and mother goddess Devi, especially in her malevolent role as a goddess of death and destruction, depicted as black, red-eyed, blood-stained, and wearing a necklace of skulls. It is also said to be the fourth and worst period of the world, considered to have begun 3102 B.C., and to last 432,000 years.
Kali is also the popular name of a martial arts practiced in the Philippines originally used to ward off invading Spanish soldiers. It makes use of several weapons, and was popularized in the 20th century by Dan Inosanto, friend and student of Bruce Lee.
From: Weapons (Chrono Trigger)