---
key: mechanic/boss-fight-atlas--boss-entity-tether
type: mechanic
id: boss-fight-atlas--boss-entity-tether
lang: en
title: Entity tether
summary: A tether checks distance between assigned entities.
updatedAt: '2026-10-22'
status: active
url: >-
  https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-entity-tether/
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-entity-tether.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-entity-tether.md
aliases: []
tags:
  - Boss fights
  - Cooperative coordination
sourceIds:
  - source-f22a8378dae6773e
  - source-4830148c52be557e
  - source-c7af3db9ca404f04
  - source-cc30d1fa055121f4
  - source-12350960aa065351
  - source-5600f1aa35d427e2
  - source-97b0b76ce9c58459
  - source-bb23d41c98765c66
sources:
  - id: source-f22a8378dae6773e
    title: 'Boss Fight Atlas: Entity tether (RU)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/entity-tether/'
    verifiedAt: null
  - id: source-4830148c52be557e
    title: 'Boss Fight Atlas: Entity tether (EN)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/en/mechanics/entity-tether/'
    verifiedAt: null
  - id: source-c7af3db9ca404f04
    title: Sludgefist · World of Warcraft
    url: 'https://www.youtube.com/watch?v=Jf1MCPKsd0M&t=35s'
    verifiedAt: null
  - id: source-cc30d1fa055121f4
    title: Hesperos · Final Fantasy XIV
    url: 'https://www.youtube.com/watch?v=JJqFsM8FTqI&t=1018s'
    verifiedAt: null
  - id: source-12350960aa065351
    title: Moon Lord · Terraria
    url: 'https://www.youtube.com/watch?v=ULSgKxBQE78&t=60s'
    verifiedAt: null
  - id: source-5600f1aa35d427e2
    title: Sludgefist Chain Link — Wowhead
    url: >-
      https://www.wowhead.com/guide/sludgefist-castle-nathria-raid-strategy-guide
    verifiedAt: null
  - id: source-97b0b76ce9c58459
    title: 'Akanthai: Curtain Call — Final Fantasy XIV Community Wiki'
    url: >-
      https://ffxiv.consolegameswiki.com/wiki/Asphodelos:_The_Fourth_Circle_(Savage)
    verifiedAt: null
  - id: source-bb23d41c98765c66
    title: Moon Lord's tongue and Moon Bite — Official Terraria Wiki
    url: 'https://terraria.wiki.gg/wiki/Guide:Moon_Lord_strategies'
    verifiedAt: null
relations: []
placements:
  - catalogId: boss-fight-atlas
    id: boss-entity-tether
    title: Boss fights
    url: >-
      https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-entity-tether
    categoryIds:
      - catalog-part-14
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Entity tether
    description: A tether checks distance between assigned entities.
    image:
      src: images/mechanics/boss-final-jf1mcpksd0m-35.webp
      width: 854
      height: 480
      game: World of Warcraft
      sourceUrl: 'https://www.youtube.com/watch?v=Jf1MCPKsd0M&t=35s'
      originalUrl: 'https://www.youtube.com/watch?v=Jf1MCPKsd0M'
      sourceFrameSeconds: 35
      credit: Blizzard Entertainment; gameplay capture by Hazelnuttygames
      rights: >-
        Game graphics © Blizzard Entertainment. Gameplay recording by
        Hazelnuttygames. Original visible source markings retained. All rights
        reserved; excluded from portal MIT and CC BY 4.0.
      caption: 'World of Warcraft: Sludgefist’s Chain Link joins two players'
      alt: 'World of Warcraft: Sludgefist’s Chain Link joins two players'
      markers:
        - x: 51
          'y': 44
          label: The linked pair must stay within the permitted distance
    tips:
      - Identify the partner and signal when the distance limit is approaching.
    examples:
      - title: World of Warcraft
        url: 'https://www.youtube.com/watch?v=Jf1MCPKsd0M&t=35s'
endsAt: null
provenance: >-
  Editorial reference index based on the 124 public Boss Fight Atlas mechanic
  pages checked on 2026-10-20. Original concise RU/EN definitions by
  gamemechanics.pro; source categories, game/boss associations and reference
  URLs retained from the atlas. Linked materials retain their original rights;
  references are upstream attributions, not independent verification.
license: CC-BY-4.0
codeLicense: MIT
attribution: gamemechanics.pro contributors
catalogKey: catalog/boss-fight-atlas
---
# Entity tether

id: boss-fight-atlas--boss-entity-tether
type: mechanic
key: mechanic/boss-fight-atlas--boss-entity-tether
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-entity-tether/

A tether checks distance between assigned entities.

## At a glance

![World of Warcraft: Sludgefist’s Chain Link joins two players](https://gamemechanics.pro/images/mechanics/boss-final-jf1mcpksd0m-35.webp)

[World of Warcraft](https://www.youtube.com/watch?v=Jf1MCPKsd0M&t=35s) · Game graphics © Blizzard Entertainment. Gameplay recording by Hazelnuttygames. Original visible source markings retained. All rights reserved; excluded from portal MIT and CC BY 4.0.

[Source recording](https://www.youtube.com/watch?v=Jf1MCPKsd0M), 35 s

1. The linked pair must stay within the permitted distance

- Identify the partner and signal when the distance limit is approaching.

- [World of Warcraft](https://www.youtube.com/watch?v=Jf1MCPKsd0M&t=35s)

## How it works

A tether checks distance between assigned entities.

## Variants

### How the technique works

<a id="boss-entity-tether-rule"></a>

- A tether checks distance between assigned entities. <a id="boss-entity-tether-definition"></a>

## Context and limits

A concise reference to all 124 Boss Fight Atlas mechanics across its 14 source sections. Each entry includes a definition, full RU/EN lesson links, game references and further reading retained from the source. Animations and detailed rules remain in the atlas.

## Connected materials


## Sources and provenance

Editorial reference index based on the 124 public Boss Fight Atlas mechanic pages checked on 2026-10-20. Original concise RU/EN definitions by gamemechanics.pro; source categories, game/boss associations and reference URLs retained from the atlas. Linked materials retain their original rights; references are upstream attributions, not independent verification.

- [Boss Fight Atlas: Entity tether (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/entity-tether/) (id: source-f22a8378dae6773e)
- [Boss Fight Atlas: Entity tether (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/entity-tether/) (id: source-4830148c52be557e)
- [Sludgefist · World of Warcraft](https://www.youtube.com/watch?v=Jf1MCPKsd0M&t=35s) (id: source-c7af3db9ca404f04)
- [Hesperos · Final Fantasy XIV](https://www.youtube.com/watch?v=JJqFsM8FTqI&t=1018s) (id: source-cc30d1fa055121f4)
- [Moon Lord · Terraria](https://www.youtube.com/watch?v=ULSgKxBQE78&t=60s) (id: source-12350960aa065351)
- [Sludgefist Chain Link — Wowhead](https://www.wowhead.com/guide/sludgefist-castle-nathria-raid-strategy-guide) (id: source-5600f1aa35d427e2)
- [Akanthai: Curtain Call — Final Fantasy XIV Community Wiki](https://ffxiv.consolegameswiki.com/wiki/Asphodelos:_The_Fourth_Circle_(Savage)) (id: source-97b0b76ce9c58459)
- [Moon Lord's tongue and Moon Bite — Official Terraria Wiki](https://terraria.wiki.gg/wiki/Guide:Moon_Lord_strategies) (id: source-bb23d41c98765c66)

CC-BY-4.0 · gamemechanics.pro contributors
