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Ultris Bug Fixes

by TheExiIedFeIIow

Ultris Bug Fixes corrects several bugs in the Ultris boss fights, and it needs Ultris: Boss Expansion to run.

FabricForgeNeoForgeQuiltServer required, client optionalMIT License1.20 – 1.20.1

What it does

Two boss fights in the Ultris setting received fixes. The Corrupted Enderman's boss bar maximum no longer differs from its maximum health, which had caused the bar to display incorrectly. The first few hits against the Budge boss now register on its boss bar from the start of the fight.

The Ultra Wither's command block hitbox no longer obstructs the player with active collision, and the boss's own wither skull projectiles now respond to player blows as intended. Before the fight begins with Corrupt Dust, the Corrupted Enderman is converted straight to its desperation phase, and with the mod installed the Corrupt Dust encounter starts the way it should.

Ultris: Boss Expansion is a required dependency, so it must be installed alongside this mod for it to load. The mod is server required and client optional: the server needs it, while players may leave it out. Files are published for Fabric, Forge, NeoForge and Quilt, with 1.0.2 as the latest build for 1.20.1, and the mod is released under the MIT License but is not open source.

Key features

  1. Corrupted Enderman boss bar fix

    The boss bar maximum for the Corrupted Enderman now matches its maximum health, so the bar displays correctly.

  2. Budge boss bar fix

    The first few blows against the Budge boss are counted on its boss bar from the start of the fight.

  3. Ultra Wither hitbox fix

    The Ultra Wither's command block hitbox no longer obstructs players with active collision.

  4. Corrupt Dust encounter fix

    The Corrupted Enderman encounter started with Corrupt Dust now begins correctly, without an early jump to the desperation phase.

Compatibility

Latest build for each game version and loader.

1.20.11.0.21.0.21.0.21.0.2
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Ultris: Boss ExpansionExplore 8 new and exciting bosses to take on across your world, with new structures, items, and stories for you to unravel.
Required

Use cases

Playing Ultris on a server

Server owners who run Ultris: Boss Expansion can add this mod to fix the boss bugs for every player who joins.

Who it’s for: Server owners and players who fight the Ultris bosses and want the reported boss bar and encounter bugs corrected.

Questions

Does Ultris Bug Fixes need Ultris: Boss Expansion?

Yes. Ultris: Boss Expansion is a required dependency and must be installed alongside this mod.

Does every player need Ultris Bug Fixes?

No. The server must run it, while players may leave it out.

Which loaders and game versions are supported?

The mod is published for Fabric, Forge, NeoForge and Quilt, with the latest file 1.0.2 for 1.20.1, and also runs as a data pack.

More from TheExiIedFeIIow

All projects
[Deprecated] Aquamirae - Boss Music Tweaks1.16.5 – 1.20.1Alex's Mobs Extra Music1.16.5 – 26.2Cracker's Wither Storm Mod: V-Sides Soundtrack1.19.2 – 1.20.1Boss Music Mod/Datapack1.16.5 – 1.21.7Mini-boss Boss Bars1.20.1 – 1.21.1Boss Checklist - Incendium Compatibility1.20.1 – 1.21.1

What the author says

A tiny, simple addon mod/datapack for Ultris: Boss Expansion that fixes a few bugs. It currently fixes: - Using Corrupt Dust on an enderman. Before then, provoking a fight with the Corrupted Enderman when converted using Corrupt Dust has it cut straight into its desperation phase. With this mod installed, using…
TheExiIedFeIIow, on the Modrinth page

Official listing

Owner
TheExiIedFeIIow
Published
2024-10-09
Updated on Modrinth
2026-03-26
Facts verified
2026-10-15
Open on ModrinthCompare