In Japanese belief, Saki Mitama is a part of the soul that brings good fortune and blessings. It is said to bring prosperity in hunting, fishing and harvests, however some believe this is actually the purpose of Nigi Mitama.
"One of the four aspects of the human soul, as described in Shinto teachings. It is said to bring good luck in hunting and fishing."
—Shin Megami Tensei III: Nocturne profile
Saki Mitama is the fourth demon of the Mitama race and can be obtained either by fusing the Element race demons Aquans and Flaemis or by purchasing it at Rag's Jewelry in Ginza for one Jade stone and one Sapphire. A higher level Saki Mitama can be purchased with multiple stones. Unlike other demons, fusing Saki Mitama with another demon will power up that demon, with some restrictions. The demon being powered up must have available skill slots to receive skills from Saki Mitama and cannot have its stats boosted more than double its base stats, depending on the demon's level. Saki Mitama will increase the Vitality and Luck stats of a demon during fusion.
Shin Megami Tensei IMAGINE
Saki Mitama can only be obtained through fusion or from jewel trade-ins at Rag's Jewelry. By using a Saki Mitama in the initial mitama fusion, the demon's post-mitama growth focuses on Luck, Vitality and Strength stats.
Shin Megami Tensei: Strange Journey
"One of the four great aspects of Shinto thought, it brings great bounty from the hunt. It is said to aid in love, profit, and growth, and can create new paths."
—Shin Megami Tensei: Strange Journey compendium
Saki Mitama is the highest level Mitama in the game and can be obtained by fusing two Prime race demons. Using Saki Mitama in a fusion will boost a demon's Vitality and Luck stats, along with transferring over useful skills.
Shin Megami Tensei IV
Saki Mitama, along with Kusi Mitama, appear primarily in the DLC Challenge Quest "Experience of the Afterlife," and appear as a rare encounter with every Mitama in the DLC quests "Underworld Money-Maker" and "Death Has Its Applications." They drop Light Grimoire, which gives Flynn or any of his demons enough EXP to gain a level after 6 uses.
Shin Megami Tensei IV Apocalypse
Saki Mitama appears primarily in the DLC Challenge Quest "A Godslayer Needs Macca," and appears as a rare encounter in the DLC quests "A Godslayer Needs Levels," "A Godslayer Needs Apps" and "A Godslayer Needs Items." They drop and trade Prime Demon Meat, Flowering Branch and Beer of Paradise, which sell for ћ3,000, ћ8,000 and ћ12,000 respectively, and rarely Chakra Pots and Soma Drops.
Saki Mitama is heavily resistant to damage, but is vulnerable to Almighty attacks, unlike the other Mitamas.
Devil Summoner: Soul Hackers
Fusing any demon with a Saki Mitama will amplify its Luck and maximum HP stats, increasing its survivability. This can be done freely at the Goumaden, or with COMP Fusion, provided that the Steiner app is installed.
"One of the four aspects of Shinto thought, it brings great bounty from the hunt. It is said to aid in love, profit, and growth, and can create new paths."