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Hostile Mobs Improve Over Time

by KNIZE1007

Hostile Mobs Improve Over Time is a server-side difficulty mod in which hostile mobs grow stronger the longer a world is played.

FabricForgeNeoForgeQuiltServer required, client optionalAll rights reserved1.19.4 – 26.3

What it does

The mod scales the stats and abilities of a fixed set of hostile mobs, including zombies, skeletons, creepers, pillagers, witches, endermites, guardians and piglins. Each mob follows one of 100 function files that describe the improvement at each level. Levels rise with an internal scoreboard that increments every 20 minutes, from 1 up to 100, and the strength of a mob depends on the nearest player to it.

Mobs can be kept from growing past a configurable cap, and a death relief option lowers the difficulty for players who die, but it is off by default. A config menu controls the timer, the drop chances of special level shatter shards that reduce mob levels by 1 each, and their side effects. The datapack variant works without the mod and loads loot table changes from later versions.

The server needs the mod, while players may add it for the same scaling. Builds exist for Fabric, Forge, NeoForge and Quilt across 25 release versions, 1.19.4 – 26.3, and the mod is released under All rights reserved, with its source code publicly available.

Key features

  1. Scaling hostile mobs

    Listed hostile mobs gain stronger stats and new abilities as the scoreboard level rises.

  2. Nearest-player scaling

    A mob's level is taken from the closest player, and staying 32 blocks away lets a player fight a mob before it is buffed.

  3. Configurable difficulty cap

    A cap stops mobs from getting stronger than a chosen value, and negative values let a world start at a set difficulty.

  4. Level shatter shards

    Rare shards drop from mobs and lower the level by 1 each, with side effects that can be toggled in the config menu.

Compatibility

Latest build for each game version and loader.

26.x5 of 5 versions with builds
26.32.3+mod2.3+mod2.3+mod2.3+mod
26.22.3+mod2.3+mod2.3+mod2.3+mod
26.1.2V2.1+modV2.1+modV2.1+modV2.1+mod
26.1.1V2.1+modV2.1+modV2.1+modV2.1+mod
26.1V2.1+modV2.1+modV2.1+modV2.1+mod
1.21.x12 of 12 versions with builds
1.21.11V2.1+modV2.1+modV2.1+modV2.1+mod
1.21.102.0+mod2.0+mod2.0+mod2.0+mod
1.21.92.0+mod2.0+mod2.0+mod2.0+mod
1.21.82.0+mod2.0+mod2.0+mod2.0+mod
1.21.72.0+mod2.0+mod2.0+mod2.0+mod
1.21.62.0+mod2.0+mod2.0+mod2.0+mod
1.21.51.11.3+mod1.11.3+mod1.11.3+mod1.11.3+mod
1.21.41.11.1b+mod1.11.1b+mod1.11.1b+mod1.11.1b+mod
1.21.31.11+mod1.11+mod1.11+mod1.11+mod
1.21.21.11+mod1.11+mod1.11+mod1.11+mod
1.21.11.10.1b+mod1.10.1b+mod1.10.1b+mod1.10.1b+mod
1.211.10.1b+mod1.10.1b+mod1.10.1b+mod1.10.1b+mod
1.20.x7 of 7 versions with builds
ReleaseBetaAlphaNot available

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

Use cases

Long survival worlds

Hostile threats keep rising over the course of a long world, which the timer and cap can shape.

Afk farms

Because the scaling does not require the player to be near the mobs, afkable farms keep working.

Who it’s for: Server owners who want hostile mobs to become more dangerous over time, and players who run single-player worlds with a scaled difficulty.

How it compares

Full comparison

Dangerous - Just A Difficulty Mod is a client and server mod for Fabric, Forge and NeoForge across 1.18.2 – 26.2, under All rights reserved. Hostile Harmony is server-side only, covers 1.20.1 – 1.21.1 and is also under All rights reserved. Cave Spider Spawn is server-side only, covers 1.19.2 – 26.3 and is published for Quilt as well.

ModLoadersGame versionsEnvironmentUpdated
Hostile Mobs Improve Over TimeFabric, Forge, NeoForge and Quilt1.19.4 – 26.3Server required, client optional2026-09-22
Dangerous - Just A Difficulty ModFabric, Forge and NeoForge1.18.2 – 26.2Client and server2026-06-27
Hostile HarmonyFabric, Forge and NeoForge1.20.1 – 1.21.1Server-side only2026-09-17
Cave Spider SpawnFabric, Forge, NeoForge and Quilt1.19.2 – 26.3Server-side only2026-10-02

Questions

Does the server need Hostile Mobs Improve Over Time?

Yes. The mod is required on the server, while clients may leave it out.

Can the datapack version be used instead of the mod?

Yes. The datapack offers the same scaling through its function and loot table files, and can be installed in place of the mod.

Which loaders does the mod support?

Files exist for Fabric, Forge, NeoForge and Quilt, with the latest file for 26.3 published on each loader.

In the catalog

Hostile Mobs Improve Over Time is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 8,071 mods support Minecraft 26.3.

Mobs mods11,058Fabric modsMods for 26.38,071

Similar mods

[EMF] Entity Model Features1.18.2 – 26.3L_Ender's Cataclysm1.19.2 – 1.21.5Alex's Mobs1.16.5 – 1.20.1Guard Villagers1.16.5 – 26.3Touhou Little Maid1.16.5 – 1.21.1Creeper Overhaul1.18.2 – 1.21.1

What the author says

Can be downloaded either as a datapack or a mod. Mod is only required on the server side. Currently, this datapack affects these mobs: - Zombies - Skeletons - Spiders - Creepers - Pillagers - Vindicators - Witches - Drowned - Endermites - Cave spiders - Strays - Zombified Piglins - Guardians - Hoglins - Ravagers …
KNIZE1007, on the Modrinth page

Official listing

Owner
KNIZE1007
Published
2023-05-27
Updated on Modrinth
2026-09-22
Facts verified
2026-10-15

Tags

AdventureGame mechanicsMobs
Open on ModrinthCompare