Chigawajin

Chigawajin (チガワジン, Chigawajin) is the god of the mantle (lava) residing in Midoriyama.

Personality
Chigawajin is a challenging god. She likes to pick on other gods and challenge them often. Not only gods, Chigawajin always liked to challenge humans and youkai.

Manipulating lava and soil
Chigawajin is known to use the Soil Orb to manipulate volcanic rocks and volcanic power.

Cutting through dreams and desires
Her sword, Sword of Desires and Dreams, she lost a lot of time ago, grants her the ability to cut through dreams and desires of a person, which would weaken them.

Name
Chigawajin is written in Katakana, so it doesn't really mean anything, but it's implied the name would mean "soil river god".

Design
Chigawajin was first seen with purple dress and a hat with a flower on it. In Chigawajin's Nightmare, she is seen with a pale blue skirt and dress with blue flowers and triangles, red patterns, green and purple triangles on it, also wielding a sword.

The Incident of The Strange Moon
Chigawajin appears as the boss of the 2nd stage of 2nd extra difficulty, as the one who causes trouble to pull youkai to her area and cause uproars.

The Incident of The Divine Mountain
Chigawajin was one of the gods that came on The Divine Lake to fight with the other gods.

Chigawajin's Nightmare
Chigawajin, wields her old-lost sword of desires and dreams. Hearing Chigawajin possessed her old sword, her rivals, Akimoto sisters and Higanjin Ichijou announces that to everyone in Gensokyo, and everyone rivals Chigawajin. Chigawajin, using her sword, overcomes the attacks one by one.

Rengetsu Akiyama
Rengetsu is Chigawajin's subordinate, protecting Chigawajin from possible threats/dangers. After Chigawajin's Nightmare, Rengetsu leaves Chigawajin.

Higanjin Ichijou and Sakagami
Chigawajin tried to kill Sakagami and Higanjin. Sakagami was banished underground, and Higanjin hid herself in the Ichijou bridge. Both are aggressive rivals of Chigawajin. Higanjin and Sakagami unites in the 2nd extra of The Incident of The Divine Mountain to cast a spell to destroy Chigawajin completely.

Kyokatsu Yamiame
Chigawajin stole the sword of desires and dreams from Kyokatsu a long,long time ago. Kyokatsu is still mad at her for that and is a big rival of her.

Rest of Gensokyo
Gensokyo residents tried to attack Chigawajin to obtain the sword from her.