(So cause jashin is a mystery in naruto ima make him a rogue otsusuki like i did with my Hidan Book but hes more around and, would be responsible for hidans immortality.

Name: Jashin 

His rinnegan.

Age; 500-1000 years old 

Personality: Evil, Sadistic an Asshole arrogant Egotistical and a Dick

Powers and abilities.

Superhuman Condition 

Immortality

Necromancy 

Yin/yang release 

Blood Release 

Body part generation 

Dark magic 

Power bestowal: he can give his cultist immortality and, decide to give them a lower-level version of immortality but if they want the full version he would screw them over putting them in a void where they, Both are starving at the same time wont die as it including suffering from lack of water.

Void Creation 

Levitation 

Corpse tree creation: he creates trees made of corpses from people he's transmitted into as when they are turned into said corpse tree they are fully aware of their surroundings,can feel everything and, the fruit from it makes it worse for them but nobody can hear them.

Black blood

Blackhole manipulation

Skilled combatant

Cursed Blood Manipulation: he can manipulate curse blood like it's nothing as he can make it kill them from the inside but only if they're alive.

Blood Magic: he has an affinity for blood magic as it helped him create many jutsus involving blood and even help create cursed blood

Bone Manipulation/Bone Generation

Object manipulation

Pain suppression: he can suppress the pain of holy weapons being used on him. as it lowers the increase he gets from feeling pain.

Pain Empowerment

invulnerability: he can't feel pain as he feels nothing

Immortality: his level of immortality is better than the ones his cultist like Hidan and hutami has in that it allows him, to regenerate at a perfect level and, not feel pain.

Reality Warping: he can warp reality with just a wave of his hand at a high level.

Canabilism Empowerment; He devours otsusuki members, devouring a piece of the chakra fruit from them.

Corspe Weapon creation: he creates weapons made of corpses and, can use them to kill his victims. 

perfect Regeneration: He has this level of regeneration as it's something that can help him survive most attacks from his opponents.

Low tier Creation: he was able to create powerful jutsus and, abilities his cultists use but they aren't able to unlock his rinnegan due to unknown means.

Info: otsusuki and namekians were at an unending war as when Jashin appeared he became a threat,to both races eating both his kind,Namekians and humans, which lead to the namekians and otsusuki temporarily working together and sealed him away into the core of a black hole.