
Modrinth · Minecraft mod
Just-In COMBAT
Add some game mechanics to enhance your combat experience in the game.
Quick answer
Which Just-In COMBAT release should I use?
Just-In COMBAT 2.0.3 targets 1.21.1 with NeoForge. It must be installed on the client. Do not install it on the dedicated server. No extra mods listed for this file.
Where it goes
Is Just-In COMBAT required on the client, server, or both?
It must be installed on the client. Do not install it on the dedicated server.
This file is marked client-only.
What else does Just-In COMBAT 2.0.3 need?
2.0.3. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Just-In COMBAT without breaking your instance.
Built for Just-In COMBAT 2.0.3. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 2.0.3. It targets 1.21.1 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
It must be installed on the client. Do not install it on the dedicated server.
- 04
Pick the file you checked
Use the “Get this file” button beside 2.0.3. It opens that exact file at the source.
About this project
What does Just-In COMBAT add?

Weapon Parry & Block System
- Weapon Clashes (Parry): Striking an opponent while they attack triggers a clash. The outcome is calculated using the weapon's Damage, Resistance, and Attack Charge. Evenly matched strikes result in a mutual knockback, but if overpowered, the weaker side suffers a severe guard-break Stagger!
- Weapon Blocking & Stances: Hold right-click with a compatible weapon to block. If you block while crouching (sneaking), your weapon's resistance receives a 1.3x multiplier, making your stance significantly harder to break.
- True Attack Charge Weight: The attack cooldown meter now dictates your parry and block strength. Mindless spamming with an uncharged weapon will be effortlessly deflected by your enemies.
Revamped Shields & Guard Breaks
- Shield Deflection: Shields utilize a dedicated, high-defense formula. They easily deflect light attacks and inflict "rebound stagger" on the attacker. The stagger duration scales smoothly with the shield's resistance.
- Mobs utilize the exact same combat mechanics! Enemies equipped with shields will actively raise them based on distance.
- Guard Breaks & Cooldowns: Taking a massive hit (like a Greatsword jump crit) that exceeds your shield's defense limit will shatter your guard! Once guard-broken, the shield goes into a vanilla-style cooldown state, preventing both players and mobs from raising it again until the stagger ends.
Dynamic Jump Crits
Jump crits are no longer just flat damage boosts. Different weapon categories unleash distinct crit skills:
- damage_boost (Raw Power): Delivers a devastating damage multiplier, perfect for crushing enemy shields (e.g., Broadswords, Axes).
- stagger (Heavy Impact): Pierces through defenses to enforce a heavy stagger and knockback, acting as a strong crowd-control move (e.g., Hammers, Maces).
- dash (Evasive Strike): Transforms your aerial attack into a forward dash with brief invincibility frames, instantly closing the gap (e.g., Spears, Daggers).
Project description from Modrinth.
Pick your setup
Just-In COMBAT by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.20.1
1 loader buildCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Just-In COMBAT versions and loaders
2.0.3
just_in_combat-2.0.3-neoforge-1.21.1.jar
9 Nov 2026
2.0.3
just_in_combat-2.0.3-neoforge-1.21.1.jar
8 Nov 2026
2.0.2
just_in_combat-2.0.2-neoforge-1.21.1.jar
7 Nov 2026
2.0.1
just_in_combat-2.0.1-neoforge-1.21.1.jar
5 Nov 2026
2.0.0
just_in_combat-2.0.0-neoforge-1.21.1.jar
20 Oct 2026
2.0.0
just_in_combat-2.0.0-neoforge-1.21.1.jar
18 Oct 2026
1.0.0
just_in_combat-1.2.8-forge-1.20.1.jar
12 Sept 2025
1.0.0
just_in_combat-1.2.0-forge-1.20.1.jar
5 Feb 2025
1.1.3
just_in_combat-1.1.3-forge-1.20.1.jar
2 Oct 2024
1.1.2
just_in_combat-1.1.2-forge-1.20.1.jar
26 Sept 2024
1.1.1
just_in_combat-1.1.1-forge-1.20.1.jar
5 Sept 2024
1.1.0
just_in_combat-1.1.0-forge-1.20.1.jar
29 Aug 2024
Looking for an older file? The official Modrinth project page is in Resources.