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Arcanum gateway pearl

Arcanum gateway pearl

DATA PACK
A simple datapack for the implementation of an arcanus boss rush pearl to the Trials of Arcanum modpack
by MercuryMC
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Updated Oct 14, 2026
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Fantasy Utility
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This datapack relies on the system implemented by gateways to eternity, allowing for players to summon a continuous flow of enemies, that, upon being defeated, give some sort of reward.

The new pearl added, the Gateway of Arcanum, summons a boss rush of L_ender's_Cataclysm and Iron's spells 'n spellbooks bosses. 7 rounds, consisting of slightly buffed versions of normal bosses, in sequence. Dying ends the trial immediately.

The mobs are as follows : Netherite mostrosity, Ender guardian, Ancientr remnant, The harbinger, Draugr and Aptrgangr mini-boss battle, maledictus and Scylla double battle; Tyros.

This datapack is not standalone, and it relies on the items created for the modpack "trials of arcanum" added via KubeJS to properly function. Feel free however to modify any of the items inside the datapack to your liking in order to add to your own modpacks.

ArcanumGatewayPearl.zip
MC 1.21, 1.21.1
Release 2025-09-22 Get

Requirements & install

How to use this data pack in Minecraft
Mods needed
None, works in vanilla
Minecraft
1.21 – 1.21.1
Install folder
saves/<world>/datapacks

How to install data packs

  1. Download the data pack .zip file (do not extract it).
  2. New world: click Data Packs on the world creation screen and drop the .zip in. Existing world: open .minecraft/saves/<world>/datapacks.
  3. Put the .zip into the datapacks folder of the world (servers: world/datapacks).
  4. Run /reload in game (or rejoin the world) and check it with /datapack list.
Browse more: Data Packs for 1.21.1 All data packs

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