Satomi Taiki

Satomi Taiki is the Fourth Akumakage (四代目悪魔影, Yondaime Akumakage; Literally meaning "Fourth Demon Shadow") of Seishingakure. She is the mother of Matsuo Taiki.

Background
Little is known about her background other then she was a memebr of G.R.A.V before becoming the 4 Akumakage.

Personality
Satomi seems to be bi polar at time. Sometime she is calm and collected, though a bit eccentric at times. Her personality, when you really get down to it, is very similar to the Doctor from Doctor Who. However, she tries her best to help others, and seems to be a good friend, to very serious with a bit of a blood lust, making her not very good company. However, she is dedicated, even if she seems like she is only dedicated to herself.

Abilities
As the Akumakage of Seishingakure and once the leader of G.R.A.V., Satomi is undoubtedly an extremely powerful shinobi. Satomi's signature fighting style is to combine her Kekkei Genkai Supirittojutsu and Spirit Technique.

Taijutsu
By combining with her 3 powerful Taijutsu spirit. She changes to her Taijutus form, which is the one she uses the most due to wanting to fight her enemy hand to hand.

Nature Transformations
Just like her son she is unable to use nature transformations on her own. Due to this she uses he kekkei Genkai to merge with on of the spirit that she has made a contract with.

After merging with the spirit is able to use its ability with little chakra usage due to gaining the energy of the spirit she has merged with. Despite being unable to use Nature transformations she is able to overpower many ninja who are well adapt in this skill.

Trinity Form
Her most powerful and signature fightning style by combining her Kekkei Genkai Supirittojutsu and Spirit technique. She merges with 3 of her most poweful spirits Karigon, Yashon, and Ahgron. In this form it has been said that she is able to take down an entire army alone. Another testimate to her power in this form is when she was able to close the Spirital Gateway and seal the Great Demon of Grimm.