Core Effects
by HER0XP
Core Effects is a Forge library of status effects that use action RPG-style mechanics, so other mods can add combat conditions without building their own systems.
What it does
The library adds large-number potion effects built on RPG mechanics. Effects include Armor Break in three tiers, which reduces a target's armor by 30%, 50% or 70%, and Blood Rage, which builds stacks per hit that each grant +3.2% attack speed. Charges can accumulate and be consumed for a damage bonus or to set an enemy on fire. Shadow Ambush deals +200% damage while halving armor, and Combo Strike gives the third hit a large damage bonus.
Other effects cover ranged and defensive play. Piercing Gaze marks an enemy after the player stares at it for 0.5 seconds, so that damage becomes critical. Healing Aura periodically heals nearby allies, and Shield Healing Aura pairs with it. Guardian Angel prevents death for 40 seconds, and Phoenix Wings raises armor and toughness, damage, speed, jump height and slow fall. Arrow Rain fires projectiles that fall over enemies, Mirror Shadow and True Invisibility make enemies lose aggro, and +75% Attack Damage and +50% Armor with +75% Armor Toughness add raw stat bonuses.
The mod is built to be extended, so other developers can integrate unique combat conditions into their own mods without reimplementing the systems. It is published for Forge only, for Minecraft 1.20.1, with the latest file 1.0.3 for 1.20.1 dated 2026-09-20. Installation covers the server and each player's game. The code is under All rights reserved and is not open source.
Key features
Armor Break tiers
Three tiers of Armor Break reduce the target's armor by 30%, 50% or 70%.
Stacking combat effects
Blood Rage grants stacks per hit, while charges accumulate and are consumed for extra damage or burning.
Timed and triggered attacks
Combo Strike boosts the third hit, Shadow Ambush trades armor for damage, and Piercing Gaze turns a stare into critical hits.
Support and survival effects
Healing Aura heals nearby allies, while Guardian Angel blocks death for 40 seconds and Phoenix Wings adds defensive and mobility bonuses.
Projectile and stealth effects
Arrow Rain drops arrows on enemies, Mirror Shadow and True Invisibility make enemies lose aggro.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Use cases
Who it’s for: Developers who want reusable combat conditions, and players of Forge 1.20.1 modpacks who want RPG-style effects. Both client and server need the library installed.
Questions
Does Core Effects have to be installed on the server?
Which loader and version does Core Effects support?
Can other mods use Core Effects?
In the catalog
Core Effects is one of 3,514 Library mods on ModsFinder, and one of 1,576 Library mods for Forge. 34,764 mods support Minecraft 1.20.1.
More from HER0XP
Similar mods
What the author says
Core Effects is a status effects library with action RPG-inspired mechanics. Designed to let other mods integrate unique combat conditions without reimplementing systems from scratch. Offensive combat effects: - Armor Break I/II/III: Reduces target's armor (30% / 50% / 70%) - Blood Rage: Gain stacks per hit, each…
Official listing
- Modrinth page
- modrinth.com/mod/core-effects
- Owner
- HER0XP
- Published
- 2026-08-19
- Updated on Modrinth
- 2026-09-20
- Facts verified
- 2026-10-15
