Fathom Mod
Fathom mod is an RPG style mod heavily inspired by terraria's calamity mod, terraria itself and ultrakill, to an extent.
⬇ Download on Modrinth
tldr:
- 9 weapons
- 3 weapon classes
- 18 trinkets
- 1 boss
- 1 biome + 1 mob in it
Long description
Inspired from Terraria, Fathom Mod adds 3 weapon classes: Melee, Ranged and Assassin with 9 new weapons to choose from. Another thing inspired by terraria was the addition of "trinkets" which are equippables that, for now, passively help the player which have their own ui. Note: some things in vanilla have been tweaked for balancing purposes
What to expect
"Blood Moon Harvest" update expected to come out some time in... oop don't mind me moving it to August 15th because we aint making it in time for july 15th
Expected content in Blood Moon Harvest:
- 5 weapons
- 5 trinkets
- 3 crafting materials
- World events
- New weapon class
- Blood river entities
- Balance changes
- Possible changes to old things
- Changes to the trinket gui
- Permanent buffs
- Test world
- More stuff
Preview of one of the weapons
Preview of trinkets
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.4
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as fathom_mod-1.0-neoforge-1.21.4.jar — drop this file into the mods folder
- Download size: 3.2 MB
- Download link checked 19 Aug 2026 — working
These come from our own check of the pack file, not from the source page.