Paranormal mod idea

Entities:

- apparitions
    [harmless]
    [may simply float before disappearing or repeat scenes at certain times]
    [animals or humans]
    [spawn rate 2% wild,20% killing villagers]
    [cant interact with player/objects]

- ghosts
    [humans]
    [neutral]
    [may move/interact with objects]
    [can follow/harass player/mobs]
    [may or may not do light damage to player(0-0.5 hearts per hit,if hostile has a 50% chance of hitting player once or twice every 300 seconds)]
   [spawn rate 1%,20% spawn rate when villager killed( 100% hostile if player kill),50% hostile/50 harmless,50% may follow player,50% will stay in an area]
  [player cannot physically interact with ghost]
  [50% hostile ghosts may evolve into a pultiguest if hunting a player]
 [spontaneously appears/disappears]
[may show form]

- pultiguests
   [humans]
   [Hostile]
   [1% spawn rate wild]
   [will follow player]
   [can come bound to cursed item]
   [can interact, move,set fire or destroy objects/light sources]
   [will attack player/mobs in area(2.5 hearts of damage per hit out of 2-5)]
   [spontaneously appears/disappears]
   [spontaneously shows form]
  [can temporarily possess mobs]

    •Demons
[always found bound to an object]
[can be found attached to a small amount of wild chest items(0.1%,5% items in nether)]
[hostile]
[will follow player and attempt to kill player or possess for a short period of time]
[will spontaneously reveal itself to player in multiple false forms or true form]
[may pretend to be a friendly ghost but will secretly weaken player]
[can possess mobs]
 [will attack player/mobs in area(2.5 hearts of damage per hit out of 3-6)]
 [can interact, move,set fire or destroy objects/light sources]
[can give player potion effects]
[can throw player]
[may temporarily teleport player into pocket dimension where demon can torment player]
[can be trapped/contained in a box/mirror,if trapped in amulet and worn by player will give player special abilities but if player dies then the demon will locate the player and latch onto an inventory item]
[can transform surrounding hostile ghosts into pultiguests and take forms of local prexisting apparitions]
[can amplify cursed items]
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Objects:

•Cursed items
 -5% frequency of found items
 -may rarely cause a bound pultiguest to spawn temporarily around player or may do other occasionally harmful stuff to player such as spawning more mobs or adding spell effects
-can increase ghost spawn rates of kills by player
-can give player special abilities if in inventory
-can be contained in containment chest

•holy book
-repells hostile ghosts,demons and pultiguests
-contains spells/prayers
-can be used to make holy water

•cross
-repel and suppress hostile ghosts and pultiguests
-repel and supress demons abilities and can reveal true form, hitting demon manifestation with cross can make it go away temporarily

•holy water
-uncurse cursed items
-take mobs out of possession
-create "safe spaces" from demons, pultiguests and ghosts

•ouija board
-contact entities
-may spawn spirits/demons
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Spells/prayers:
-sends ghosts/apparitions to other side
-bind pultiguest to item (create cursed item)
-trap demons
-send demons to hell/nether