The Kwancha is a demon of misfortune and illness that lives in the underworld in Nepali culture. It appears at crossroads and causes people to have stomach pains. It's said that they will cure various ailments if you make a suitable offering.
They are also the attendants of Kali and Shiva. There is a Nepali festival where Kwancha appears among other gods.
"Origin: Nepal. A demon of illness from Nepal. It appears at crossroads and causes people to have stomach pains. It's said that they will cure various ailments if you make a suitable offering. They are also the attendants of Kali and Shiva."
—Shin Megami Tensei A-Mode DDS Dictionary
Shin Megami Tensei: Strange Journey[]
"A demon of disease that lives in the underworld in Nepali folklore. It appears at a crossroads, but if you make an offering and chant a mantra, it will defend you from sickness. He is also Shiva and Kali's personal attendant. There is a Nepali festival where Kwancha appears among other gods."
—Shin Megami Tensei: Strange Journey compendium
Kwancha appears at the top of Sector Eridanus as one of five demons supplying infinite life to Ouroboros. The protagonist must defeat it (along with the others) to cut off the energy flow and make Ouroboros vulnerable.
Shin Megami Tensei IV[]
Kwancha can initially be found in the government office plaza area of Shinjuku while it is occupied by the Jirae demons. He can teach Flynn the Tetanus Cut, Posumudi and Mahama skills through his Demon Whisper.
Kwancha can later be encountered as a normal enemy in Ginza.
Shin Megami Tensei IV Apocalypse[]
"A demon of disease that lives in the underworld in Nepali folklore. It appears at a crossroads, but if you make an offering and chant a mantra, it will defend you from sickness. He is also Shiva and Kali's attendant. There is a Nepali festival where Kwancha appears among other gods."
—Shin Megami Tensei IV Apocalypse compendium
Kwancha can be found in the west entrance passage, west entrance and government office plaze areas of Shinjuku. He can teach the Poison Claw, Bind Voice and Mahama skills through Demon Whisper. Kwancha benefits from learning ailment, Light and healing skills.