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[ISS DSB]Distant Shock Barrier

by LOAE_U987

[ISS DSB]Distant Shock Barrier is a NeoForge optimization mod for 1.21.1 that limits how far Iron's Spells spells can reach, so that oversized spell ranges stop causing performance problems.

NeoForgeClient and serverMIT LicenseOpen source1.21.1

What it does

The mod ties a spell's power to its distance: the farther a spell travels or its block range extends, the more destruction it causes at the cost of the caster's output, so very large ranges become expensive rather than free. Its main purpose is to solve the performance issues that excessively large spell ranges create on a server. The mod is released under the MIT License as open source, and its source code and issue tracker are public. Files exist for 1.21.1 only, with 1.0.0 as the current NeoForge build, published 2026-03-21. It runs client and server, so both the server and every player need it.

Key features

  1. Distance-based spell cost

    Spell power is linked to distance, so a longer reach carries a higher price in destruction and cost.

  2. Block distance scaling

    Block-range effects of spells scale with how far they travel, limiting the destruction they can cause at long range.

  3. Iron's Spells addon support

    The mod works as an addon to Iron's Spells 'n Spellbooks, targeting the lag that very large spell ranges produce.

Compatibility

Latest build for each game version and loader.

1.21.11.0.0
ReleaseBetaAlphaNot available

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

Questions

Does Distant Shock Barrier need Iron's Spells 'n Spellbooks?

It is built as an addon for Iron's Spells 'n Spellbooks, which is the spell mod whose oversized ranges it is meant to limit.

Does it have to be installed on both sides?

Yes. Servers that run it need every player to install it too.

In the catalog

[ISS DSB]Distant Shock Barrier is one of 3,545 Optimization mods on ModsFinder, and one of 1,250 Optimization mods for NeoForge. 32,366 mods support Minecraft 1.21.1.

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What the author says

When spell power goes out of control, let distance become the price of destruction
LOAE_U987, on the Modrinth page

Official listing

Owner
LOAE_U987
Published
2026-03-21
Updated on Modrinth
2026-03-21
Facts verified
2026-10-15

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