
Undead Fire Weakness
Increase the flame damage suffered by undead. Configurable.
About this Mod
Undead Fire Weakness
Increase the flame damage suffered by undead. Configurable.
The default configuration file (config/undead_fire_weakness-common.toml) is as follows:
#Whether to enable the mod
mod_enabled = true
#Entity types that apply damage modifier must be included in this list.
#Support entity type tags starting with "#" or write entity type directly
#Use "$all" to match all entity types
#Use "$undead" to match all undead
entity_type_list = ["$undead"]
#Damage types that be modified must be included in this list
#Support damage type tags starting with "#" or write damage directly
#Use "$all" to match all damage types
damage_type_list = ["#minecraft:is_fire"]
#Should the damage to modify must be caused by player.
must_by_player = false
#The value to be multiply to the damage.
#Works BEFORE addition.
#Range: 0.0 ~ 2.147483647E9
value_multiplier = 2.0
#The value to be added to the damage.
#Works AFTER multiplication.
#Range: 0.0 ~ 2.147483647E9
value_addition = 0.0
I couldn't find any existing mods with the features I needed, and KubeJS wasn't quite up to the task either, so I spent a few hours making one myself.
Available Versions
How to Install Undead Fire Weakness on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.20.4).
Install Mod
Open the mod browser in the dashboard and search for "Undead Fire Weakness". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.4, 1.20.3, 1.20.2 (+2 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Undead Fire Weakness server crashes on startup – what to do?
Most common cause: wrong forge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.4). You can switch loaders with one click in the panel.
Is Undead Fire Weakness compatible with forge?
Undead Fire Weakness officially supports forge for Minecraft 1.20.4, 1.20.3, 1.20.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Undead Fire Weakness – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Undead Fire Weakness consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Undead Fire Weakness with just one click on your server.