Summoning the Nightmare Portal

The core entry point into Insomnia is the nightmare portal. To open one, a player must kill a chicken standing on top of a crimson stem. This sacrifice tears a hole between worlds and forms the portal structure.

Walking into the center of the portal teleports the player into the horror_realm world. Once inside, the normal rules of Minecraft start to bend. It’s darker, more oppressive, and your sanity becomes your most important resource.

Darkness accelerates sanity decay: the lower the light level around you, the faster your sanity drains. Holding a torch or standing in bright areas slows this decay, but doesn’t stop the realm from wearing you down. There is only one way out: rest. But you cannot sleep until your sanity falls below 20% – and attempting to do so early has consequences.

Sanity, Shadows & the Corruption Trident

Inside the horror_realm, your sanity is constantly monitored. The darker it is, the faster it falls. Holding a torch or staying in higher light levels reduces the decay rate, but doesn’t undo the realm’s grip on your mind.

As sanity drops, Insomnia begins to escalate the horror:

Spooky ambient sounds
Shadow figures watching from the edges of vision
Disorientation and blindness effects
Block mounds forming around you
Hunter figures and phantom heads that vanish when you look at them
Torches extinguishing themselves
Blocks breaking around you and more

If you attempt to sleep before sanity drops below 20%, your bed will burn and a shadow figure will appear, telling you that you can’t rest yet – you’re not weak enough.

Once you finally escape the realm successfully for the first time, you are rewarded with the Corruption Trident. This dark weapon follows you out of the horror_realm and serves as both a trophy and a tool:

Using the Corruption Trident spawns a shockwave that knocks back all hostile mobs it hits and applies Wither to them.
If the shockwave hits a non-hostile mob within a 150-block radius of the origin, a new shockwave propagates outward from that mob as well.

Destroying nightmare portals can trigger a portal collapse event that violently throws back all entities in the area. If your health is low, this can easily be lethal. Treat portal destruction as a dangerous late-game action, not a casual cleanup.

technical bits

Commands

/getinsomniapdc <player> <key>^{– Gets a player's Persistent Data Container (PDC) value for the given key. Permission: insomnia.admin}

/setinsomniapdc <player> <key> <value>^{– Sets a player's PDC value for the given key. Useful for testing or manual state fixes. Permission: insomnia.admin}

/insomniasanity [player]^{– View a player's current sanity value (self or target if provided). Permission: insomnia.admin}

/insomniasanity set <player> <value>^{– Manually set a player's sanity value. Great for debugging or event control. Permission: insomnia.admin}

/insomnia reload^{– Reloads the Insomnia config file without restarting the server. Permission: insomnia.reload}

/corruptiontrident^{– Gives the Trident of Corruption to the executor. Normally unlocked via first escape from the horror_realm. Permission: insomnia.trident}

Config


#################################
# Newts Insomnia               #
# Horror realm & sanity system #
#################################

pdcvalues:
  - blind
  - escaped

worldcorruption:
  enabled: true

  structure:
    enabled: true
    base_chance: 0.04       # base chance per tick per player (scaled by sanity)
    min_distance: 6         # min horizontal distance from player
    max_distance: 12        # max horizontal distance from player
    allow_ore_mounds: true
    allow_jumbles: true
    allow_dead_trees: true
    allow_ruins: true

  block_eater:
    enabled: true
    radius: 5               # horizontal radius around player
    max_vertical_above: 4   # only eat blocks up to this many blocks above player
    holes_per_cycle_min: 2
    holes_per_cycle_max: 3
    max_sanity: 80          # only runs when sanity <= this

  torch_breaker:
    enabled: true
    radius: 6
    chance_per_cycle: 0.15  # probability each cycle to break 1–2 torches near the player
    max_sanity: 70

  books:
    enabled: true
    base_chance: 0.01       # chance at high sanity
    extra_chance_at_zero_sanity: 0.01  # added when sanity=0 (scaled linearly)
    max_sanity: 60          # only runs when sanity <= this

  herobrine:
    enabled: true
    spawn_chance: 0.003     # chance per cycle per player to spawn a head
    trigger_radius: 3.0     # distance for vanish effect
    max_sanity: 50          # only runs when sanity <= this