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How to make a "Damage Link" Skill

BMM_Archive · July 16, 2026

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Preserved forum archive. This topic stores the original first post and locally mirrored RPG Maker Web attachments when available. It is posted by the BMMPlay archive account, not by the original creator.

Original Source

Original title: How to make a "Damage Link" Skill
Original author: MazeMaker
Original date: July 15, 2018
Source thread: https://forums.rpgmakerweb.com/threads/how-to-make-a-damage-link-skill.97727/
Source forum path: Game Development Engines > RPG Maker Tutorials > RMMV Tutorials

Summary

Archived First Post

Hello everyone! I wanted to share this simple "Damage Link" skill I created for my game.
When the battler receives damage, the target it casted Damage Link on will be hurt as well.
This was inspired by Yanfly's "Healing Link" tips & tricks video here.
To create the Damage Link skill, you will need Yanfly's Buffs & States Core Plugin, found here.

To create this effect is rather simple.

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Create a skill which inflicts the "Damage Link" state we will create below.

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<Custom Apply Effect>
origin.addState(68);
origin.___dmgLinks = origin.___dmgLinks || [];
origin.___dmgLinks.push(target);
origin.startDamagePopup();
target.startDamagePopup();
</Custom Apply Effect>

To create this effect actually requires two states.
Both the target and caster need a state, which we add here.
This is necessary so that the caster may react in a special way when hit.
The caster will maintain a list of battlers that it is linking damage to.

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Then we will create the state for the caster, and give it code to react when it is hurt.

<Custom React Effect>
if (target.___dmgLinks && value > 0) {
target.___dmgLinks.forEach(function(link) {
if (link.isStateAffected(67)) {
link.gainHp(-Math.ceil(value / 2));
link.startDamagePopup();
}});
}
</Custom React Effect>

This code makes it so that, when the original caster is hit, it will search through each battler it has linked, check to make sure they are still afflicted with the damage link, and then share the damage. the "value / 2" portion is where you can adjust your formula as you see fit, here it only spreads half damage.

Make sure to update the state ID's to match the state ID's in your own project. (Here, 67 & 68)

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Once you have that all in place, your Damage Link skill is complete.
I hope you're able to put it to good use!

Happy RPG Making,
- MAZEMAKER

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