







Trials Chambers Backport Mod adding custom Trials Chambers with unique layouts, bosses, loot, and craftable blocks. It expands the dungeon experience with randomized chambers, Illager‑specific spawners, and special rewards like the Heavy Core for crafting the Mace.
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Features:
- Chambers spawn underground at Deepslate level in the Overworld.
- Includes Central Chamber, Entrance/Exit Hallway, Large Hallway, and Boss Chamber.
- Bosses can be Evoker, Illusioner, Iceologer, or rarely Wroughtnaut.
- Trial Spawners & Vaults function as intended, with difficulty scaling via Bad Omen.
- Vaults yield 3-6 rewards, including cosmetics and the Heavy Core (used to craft the Mace).
- Side paths generate 6-20+ randomized chambers for replay variety.
- Adds craftable Tuff & Copper variations, including Polished Tuff Copper Bulb.
- Raid Captains drop Ominous Bottles instead of granting Bad Omen directly.
- Introduces new potion effects and other small tweaks.
Screenshots:












Trials Chambers Backport Mod Download Links
For Minecraft 1.20.1, 1.20
Forge version: Download from Server 1 – Download from Server 2
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.1, 1.20
- 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 the file's original source — 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.
Trials Chambers Backport Mod (1.20.1, 1.20) – Custom Dungeon Expansion is a free Minecraft Java mod. Compatible with Minecraft 1.20.1, 1.20. Download it and open it directly in the game.