Overview
Blood Moon brings Terraria's iconic Blood Moon event to Minecraft. When a Blood Moon rises, the night sky turns crimson red and hostile mobs become significantly more dangerous and numerous.
Blood Moons occur randomly — each night has a configurable chance (default 11%) to become a Blood Moon. When one begins, you'll see a message in chat and the sky will shift to an ominous red hue.
Warning
During a Blood Moon, zombies can break through wooden doors! Consider upgrading to iron doors or building defensive structures.
Mechanics
Spawn Rate Increase
During a Blood Moon, hostile mob spawn rates are multiplied by a configurable factor (default 2x). Mobs will also spawn closer to players and in larger groups.
Stronger Enemies
All hostile mobs receive buffs during Blood Moons:
- +50% Health — Mobs take more hits to kill
- +25% Damage — Mobs hit harder
- +10% Speed — Mobs move faster
Door Breaking
Zombies gain the ability to break wooden doors during Blood Moons, similar to Terraria. This works on all wooden door variants. Iron doors remain safe.
Visual Effects
- Red-tinted sky and moon
- Crimson fog overlay
- Eerie ambient sounds
- Red particle effects around hostile mobs
Exclusive Loot
Certain items only drop during Blood Moons. These drops are added to the normal loot tables, so you still get regular drops too.
| Item | Drops From | Drop Rate |
|---|---|---|
| Blood Tear | Any hostile mob | 5% |
| Crimson Shard | Zombies, Skeletons | 2% |
| Moon Pendant | Zombie with armor | 0.5% |
| Blood Moon Banner | Any hostile mob (after 50 kills) | Guaranteed |
Tip
Blood Tears can be crafted into Blood Moon Summoning items, allowing you to trigger a Blood Moon at will!
Configuration
Blood Moon can be configured via the config file located at:
config/iggymods/blood-moon.toml| Option | Default | Description |
|---|---|---|
bloodMoonChance |
0.11 | Chance per night (0.0 - 1.0) |
spawnMultiplier |
2.0 | Mob spawn rate multiplier |
healthMultiplier |
1.5 | Mob health multiplier |
damageMultiplier |
1.25 | Mob damage multiplier |
enableDoorBreaking |
true | Allow zombies to break doors |
enableVisualEffects |
true | Enable red sky and fog |
Commands
Blood Moon adds the following commands (requires OP or cheats enabled):
| Command | Description |
|---|---|
/bloodmoon start |
Force start a Blood Moon |
/bloodmoon stop |
End the current Blood Moon |
/bloodmoon status |
Check if a Blood Moon is active |
Compatibility
Supported Versions
- Minecraft 1.20, 1.20.1, 1.20.2, 1.20.4
- Forge, Fabric, NeoForge
Known Compatible Mods
- All IggyMods — Designed to work together
- JEI/REI — Recipes show correctly
- Optifine/Sodium — Visual effects compatible
- Mob mods — Added mobs also get Blood Moon buffs
Note
If you encounter compatibility issues with other mods, please report them on our GitHub!