THE OPIUM BIRD JAR (BEDROCK AND POCKET EDITION 1.21 1.19 1.20)

Horror-themed Bedrock addon adding the Opium Dweller—a hostile ethereal mob that inflicts blindness, stalks players at night, and vanishes after kills. Compatible with 1.19–1.21.
Opium Dweller — Modbay-style addon description (Bedrock / Pocket Edition — 1.19, 1.20, 1.21)
Name: Opium Dweller
Type: Hostile entity (mob) — horror / survival addon
Game: Minecraft Bedrock Edition / Pocket Edition
Compatible: 1.19 · 1.20 · 1.21 (Bedrock / Pocket)
Category: Mobs — Horror — Adventure
Short pitch
A terrifying, ethereal horror that stalks the edges of light. Every strike clouds your vision — survive its madness or you might never see daylight again.
Behavior summary
- Aggressive stalker: Roams at dusk/night near ruined structures, caves, and foggy biomes.
- Blindness on hit: Every time Opium Dweller damages a player it applies Blindness (short duration — configurable; default 7 seconds).
- Spotted status: When a player looks directly at it, they receive a Spotted status for 7 seconds (visual cue / subtle sound).
- Vanish on kill: After Opium Dweller kills a player, it performs a vanishing effect and despawns (no corpse drop).
- Flee at low health: When Opium Dweller’s HP drops to 10 or below, it will attempt to flee from the nearest player (speed boost + teleport attempt after a short delay).
- Loot: Lightweight/rare drops (configurable). Consider making drops minimal to keep the horror vibe.
- Ambient effects: Subtle screen distortion and distant whispering sound while nearby.
Mechanics & tuning (suggested defaults)
- Health: 40 HP (configurable)
- Damage: 4–6 (configurable)
- Blindness on attack: 7 seconds (status effect, cannot be removed by potion while effect persists unless player uses special item)
- Spotted: 7 seconds of a HUD indicator + faint particle ring around player (so other players can notice you’re spotted)
- Flee threshold: ≤ 10 HP → flee behavior triggered (pathfinding priority: run away, attempt teleport every 6s if still pursued)
- Spawn rules: Night-only spawns, low spawn rate; do not spawn in bright light or frozen biomes. Option to make it spawn from specific custom structure blocks.
- Despawn on kill: After killing a player, play vanish animation + remove entity (no experience or corpse items by default).
Addon files & compatibility notes (for modders)
- Use entity components and event-based triggers for Bedrock (events: on_attack, on_hurt, on_death, on_look_at).
- Blindness =
minecraft:status_effect
on the damaged player (duration: 140 ticks = 7s). - Spotted = custom
component
or scoreboard tag with 140-tick timer; attach client-side UI marker. - Flee = set
minecraft:movement
priority and useminecraft:behavior.flee
with a conditional onhealth
component ≤ 10. - Ensure behavior works for both singleplayer and multiplayer; test vanish/despawn on server so it doesn’t leave ghosts.
Installation & config
- Drop resource and behavior packs into
games/com.mojang/behavior_packs
andresource_packs
respectively. - Provide a small config JSON to tune
health
,damage
,blindness_duration
,spawn_rate
, andflee_threshold
.
Usage ideas
- Great for horror maps, survival challenges, or as a rare overworld threat.
- Pair with fog, muted sounds, and dim lighting to maximize tension.
Credits / Original
Original inspiration / similarly named mod: The Opium Bird Dweller by shiyoki (CurseForge). If you’re adapting assets or ideas from that project, credit the original author and check licensing.
This Modbay-style page: created for Bedrock / Pocket edition adaptation.