Mods for 1.21.3

No Copper Oreby NightML Studios

As a counter to the Copper Age Minecraft drop, this datapack prevents copper ore from spawning in caves.

Size Mattersby MrSnowman

Applies a random height to players when joining a world for the first time.

Early Craftable Elytraby Andy_71

Adds a crafting recipe for the elytra.

Conflux Mapby Conflux Union

Fabric client-side minimap and world map for 1.17.1 and the 1.21 line: HUD minimap, fullscreen pan/zoom map,cave/Nether/End layers, waypoints and death points, entity radar, per-world disk cache, and a seed-predicted underlay for unexplored terrain.

Cursed Coins for Villager Coinby VillagerUnknown

Adds a variety of cursed Copper, Iron, Gold, Emerald, and Netherite coins to Villager Coin that apply harmful status effects when in a player's inventory.

Advancement Optimization│進度優化by Special_TT

Modified the actual requirements of some Advancements.│修改了一些進度的實際需求。

Cryptozoologistby dr_korz

Modification adds a lot of unusual mobs. Some of them, such as Nessie, Bigfoot and razzaks, are inspired by mythology and fantasy books, while others were created without any reference, or at least I think so :)

Too Many Achievementsby tropchick

A funny client-side Fabric mod that adds hundreds of weird, situational, and memorable achievements.

X-Heartsby mittensDev

Start on one heart, gain a heart every time you die. A new fun way to play Minecraft! Inspired by X-Life.

Stunning Bowsby 7heFiNaTy

Make some Stunning bows in Minecraft!

Slow Startby Azertium

Slows down the early game progression, by tweaking crafting recipes, loot tables, and more...

More Railsby hbop

Adds superpowered rails and directional rails - faster minecarts

Heavy Core Advancementby Advancement Labs

This Datapack and Mod adds a new advancement for obtaining a Heavy Core, translated into multiple languages (+20), compatible with version 1.21 to 26.1

Nie's Better Advancementsby Nieadni

A Minecraft Datapack which adds to and improves several of the vanilla advancements.

Borrow Their Arrows!by Eugene

Allow you to pick any arrow.

Exploding Arrowby Sourish25

Adds a craftable Exploding Arrow (TNT + Arrow) that creates a localized explosion on impact with any block or entity.

Enderite Gear & Toolsby Lehraan

A mod that adds the long wanted enderite to minecraft

Lucky Coins for Villager Coinby VillagerUnknown

Adds a variety of lucky Copper, Iron, Gold, Emerald, and Netherite coins to Villager Coin that apply beneficial status effects when in a player's inventory.

Rotten Flesh into Leatherby badcakee

This project adds a useful use for Rotten Flesh

Fire Force: Adolla Craftby darknessdxd

This Fire Force mod is based on the official anime/manga; Fire Force

AdvanceDropby spce_man

Complete advancements, earn chests, unbox your loot. Nine tiers from dirt to netherite — the harder the grind, the better the drop.

Moray's Monstersby Thegreenmoray

New and weird creatures that inhabit your world

Varied Templesby TheKingOfNerds

Makes desert temples more random and interesting.

Refined Netheriteby Dark Green Modding

Stronger than Netherite. and more