---
key: mechanic/boss-fight-atlas--boss-cover-line-of-sight
type: mechanic
id: boss-fight-atlas--boss-cover-line-of-sight
lang: en
title: Cover and line of sight
summary: Obstacles interrupt an effect's line between threat and player.
updatedAt: '2026-10-22'
status: active
url: >-
  https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-cover-line-of-sight/
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-cover-line-of-sight.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-cover-line-of-sight.md
aliases: []
tags:
  - Boss fights
  - 'Space, movement, and perception'
sourceIds:
  - source-d1358a5f13a196b7
  - source-9fac53d1e52aeeee
  - source-8b149dda9467461d
  - source-a96c751da15b91f6
  - source-0905c30b6bcc1bbc
  - source-945019fe5d82d809
  - source-1c612f5c156fb1fd
  - source-8e5c0f28b4d90e92
  - source-3e30c3b422cd0a18
  - source-8107e22e14c913d7
  - source-b5cb701f2a8a4de7
sources:
  - id: source-d1358a5f13a196b7
    title: 'Boss Fight Atlas: Cover and line of sight (RU)'
    url: >-
      https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/cover-line-of-sight/
    verifiedAt: null
  - id: source-9fac53d1e52aeeee
    title: 'Boss Fight Atlas: Cover and line of sight (EN)'
    url: >-
      https://polyakovin.github.io/boss-fight-atlas/en/mechanics/cover-line-of-sight/
    verifiedAt: null
  - id: source-8b149dda9467461d
    title: Grandmaster Yuudai · Huntdown
    url: 'https://www.youtube.com/watch?v=4RfGConwg3o&t=2430s'
    verifiedAt: null
  - id: source-a96c751da15b91f6
    title: 'Living Failures · Bloodborne: The Old Hunters'
    url: 'https://www.youtube.com/watch?v=upUUkqS6_8g&t=150s'
    verifiedAt: null
  - id: source-0905c30b6bcc1bbc
    title: King Behemoth · Final Fantasy XIV
    url: 'https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=295s'
    verifiedAt: null
  - id: source-945019fe5d82d809
    title: GDC · Itay Keren — Boss Battle Design Fundamentals and Retrospective
    url: 'https://www.gdcvault.com/play/1024921/Boss-Up-Boss-Battle-Design'
    verifiedAt: null
  - id: source-1c612f5c156fb1fd
    title: Bloodborne Wiki — Living Failures
    url: 'https://www.bloodborne-wiki.com/2015/11/living-failures.html'
    verifiedAt: null
  - id: source-8e5c0f28b4d90e92
    title: Final Fantasy XIV Online Wiki — The Labyrinth of the Ancients
    url: 'https://ffxiv.consolegameswiki.com/wiki/The_Labyrinth_of_the_Ancients'
    verifiedAt: null
  - id: source-3e30c3b422cd0a18
    title: Huntdown manual
    url: 'https://huntdown.com/manual/Manual-Huntdown.pdf'
    verifiedAt: null
  - id: source-8107e22e14c913d7
    title: Neoseeker — Grandmaster Yuudai walkthrough
    url: 'https://www.neoseeker.com/huntdown/4-3_-_Grandmaster_Yuudai'
    verifiedAt: null
  - id: source-b5cb701f2a8a4de7
    title: Final Fantasy XIV
    url: 'https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=315s'
    verifiedAt: null
relations:
  - type: explains
    direction: incoming
    label: Understand the principle
    key: lesson/npc-perception
    title: NPC perception and target memory
    url: 'https://gamemechanics.pro/en/lessons/npc-perception/'
    jsonUrl: 'https://gamemechanics.pro/api/v1/knowledge/en/lesson/npc-perception.json'
    markdownUrl: 'https://gamemechanics.pro/content/knowledge/en/lesson/npc-perception.md'
placements:
  - catalogId: boss-fight-atlas
    id: boss-cover-line-of-sight
    title: Boss fights
    url: >-
      https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-cover-line-of-sight
    categoryIds:
      - catalog-part-10
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Cover and line of sight
    description: Obstacles interrupt an effect's line between threat and player.
    image:
      src: images/mechanics/boss-final-p1mgtfdkq-q-315.webp
      width: 640
      height: 360
      game: Final Fantasy XIV
      sourceUrl: 'https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=315s'
      originalUrl: 'https://www.youtube.com/watch?v=P1mgTFDkQ-Q'
      sourceFrameSeconds: 315
      credit: Square Enix; gameplay capture by Mica Does Stuff
      rights: >-
        Game graphics © Square Enix. Gameplay recording by Mica Does Stuff.
        Original visible source markings retained. All rights reserved; excluded
        from portal MIT and CC BY 4.0.
      caption: 'Final Fantasy XIV: a comet provides cover from Ecliptic Meteor'
      alt: 'Final Fantasy XIV: a comet provides cover from Ecliptic Meteor'
      markers:
        - x: 47
          'y': 34
          label: >-
            A comet between the character and King Behemoth blocks the lethal
            attack
    tips:
      - Show the effect’s line and allow time to reach reliable cover.
    examples:
      - title: Final Fantasy XIV
        url: 'https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=315s'
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
---
# Cover and line of sight

id: boss-fight-atlas--boss-cover-line-of-sight
type: mechanic
key: mechanic/boss-fight-atlas--boss-cover-line-of-sight
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-cover-line-of-sight/

Obstacles interrupt an effect's line between threat and player.

## At a glance

![Final Fantasy XIV: a comet provides cover from Ecliptic Meteor](https://gamemechanics.pro/images/mechanics/boss-final-p1mgtfdkq-q-315.webp)

[Final Fantasy XIV](https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=315s) · Game graphics © Square Enix. Gameplay recording by Mica Does Stuff. 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=P1mgTFDkQ-Q), 315 s

1. A comet between the character and King Behemoth blocks the lethal attack

- Show the effect’s line and allow time to reach reliable cover.

- [Final Fantasy XIV](https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=315s)

## How it works

Obstacles interrupt an effect's line between threat and player.

## Variants

### How the technique works

<a id="boss-cover-line-of-sight-rule"></a>

- Obstacles interrupt an effect's line between threat and player. <a id="boss-cover-line-of-sight-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

- Understand the principle: [NPC perception and target memory](https://gamemechanics.pro/en/lessons/npc-perception/) (key: lesson/npc-perception)

## 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: Cover and line of sight (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/cover-line-of-sight/) (id: source-d1358a5f13a196b7)
- [Boss Fight Atlas: Cover and line of sight (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/cover-line-of-sight/) (id: source-9fac53d1e52aeeee)
- [Grandmaster Yuudai · Huntdown](https://www.youtube.com/watch?v=4RfGConwg3o&t=2430s) (id: source-8b149dda9467461d)
- [Living Failures · Bloodborne: The Old Hunters](https://www.youtube.com/watch?v=upUUkqS6_8g&t=150s) (id: source-a96c751da15b91f6)
- [King Behemoth · Final Fantasy XIV](https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=295s) (id: source-0905c30b6bcc1bbc)
- [GDC · Itay Keren — Boss Battle Design Fundamentals and Retrospective](https://www.gdcvault.com/play/1024921/Boss-Up-Boss-Battle-Design) (id: source-945019fe5d82d809)
- [Bloodborne Wiki — Living Failures](https://www.bloodborne-wiki.com/2015/11/living-failures.html) (id: source-1c612f5c156fb1fd)
- [Final Fantasy XIV Online Wiki — The Labyrinth of the Ancients](https://ffxiv.consolegameswiki.com/wiki/The_Labyrinth_of_the_Ancients) (id: source-8e5c0f28b4d90e92)
- [Huntdown manual](https://huntdown.com/manual/Manual-Huntdown.pdf) (id: source-3e30c3b422cd0a18)
- [Neoseeker — Grandmaster Yuudai walkthrough](https://www.neoseeker.com/huntdown/4-3_-_Grandmaster_Yuudai) (id: source-8107e22e14c913d7)
- [Final Fantasy XIV](https://www.youtube.com/watch?v=P1mgTFDkQ-Q&t=315s) (id: source-b5cb701f2a8a4de7)

CC-BY-4.0 · gamemechanics.pro contributors
