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        Karma Shader — Nightmare
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A semi-realistic HORROR shader pack for Minecraft (Iris).
The sister pack of Karma Shader Cartoon Style — same hand-built
engine, opposite soul: a pale sick sun, nights that blind you,
a giant watchful moon, and a world that always feels like it
is watching back.

Author : X-Haider
License: All Rights Reserved (ARR) — see LICENSE.txt
Engine : Iris 1.10.x  |  GLSL 120

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FEATURES
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• Oppressive lighting — overcast pale days, truly blind nights;
  outside your trembling torch circle there is only dark.
  

• Cinematic horror grade — drained colors where only blood and
  fire stay red, teal shadows, crushed blacks, breathing
  vignette, film grain, and a red death-pulse below 6 hearts.


• The darkness fog — night fog that hides toward BLACK, creeping
  ground mist that breathes, caves that drown in shadow.


• The Watchful Moon — a huge cold moon... and on cursed nights,
  a BLOOD MOON that stains the whole world red.


• Storm system — racing torn clouds, harsh lightning that reveals
  the world for a heartbeat, thunder-dark ambience.


• THE NETHER — true hell: near-black, lava glow is the only
  light, grey ash falls forever, black smoke columns.
 

• THE END — the dead void: visual silence, almost-dead stars,
  bone-pale islands, a black silhouette storm.

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INSTALLATION
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1. Install Iris (iris-fabric-loader) and launch the game.
2. Options > Video Settings > Shader Packs.
3. Select "Karma Shader Nightmare" and apply.
4. Play at night. If you dare.

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CUSTOMIZATION 
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In-game shader settings screen:
  BLOOD_MOON        0 = never, 1 = rare cursed nights, 2 = every night
  GRAIN_AMOUNT      film grain strength (0 = off)
  OUTLINE_STRENGTH  ink lines (0 = realistic horror, raise for comic-horror)

Shadow quality: shadowMapResolution in shaders/composite.fsh.