---
key: mechanic/boss-fight-atlas--boss-encounter-specific-tool
type: mechanic
id: boss-fight-atlas--boss-encounter-specific-tool
lang: en
title: Encounter-specific tool
summary: An encounter-specific tool provides an action needed against this opponent.
updatedAt: '2026-10-22'
status: active
url: >-
https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-encounter-specific-tool/
jsonUrl: >-
https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-encounter-specific-tool.json
markdownUrl: >-
https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-encounter-specific-tool.md
aliases: []
tags:
- Boss fights
- Encounter goals and vulnerability
sourceIds:
- source-0d7e759a2f97de82
- source-c600fe74b2fab0c5
- source-5284dbe1e35d5efb
- source-66310cc6daf3fff8
- source-90fa4750c9508236
- source-c151324fe6097460
- source-8e3d81855772cb51
- source-65c18ca8808a5666
- source-d882226174d610d2
- source-c96163d82513dbb5
sources:
- id: source-0d7e759a2f97de82
title: 'Boss Fight Atlas: Encounter-specific tool (RU)'
url: >-
https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/encounter-specific-tool/
verifiedAt: null
- id: source-c600fe74b2fab0c5
title: 'Boss Fight Atlas: Encounter-specific tool (EN)'
url: >-
https://polyakovin.github.io/boss-fight-atlas/en/mechanics/encounter-specific-tool/
verifiedAt: null
- id: source-5284dbe1e35d5efb
title: Mother Brain · Super Metroid
url: 'https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=200s'
verifiedAt: null
- id: source-66310cc6daf3fff8
title: 'Rykard, Lord of Blasphemy · Elden Ring'
url: 'https://www.youtube.com/watch?v=B9EorRzSavI&t=45s'
verifiedAt: null
- id: source-90fa4750c9508236
title: Yhorm the Giant · Dark Souls III
url: 'https://www.youtube.com/watch?v=BQS8P60aYOc&t=18s'
verifiedAt: null
- id: source-c151324fe6097460
title: 'Boss Up: Boss Battle Design'
url: 'https://media.gdcvault.com/gdc2018/presentations/Keren_Itay_BossUp.pdf'
verifiedAt: null
- id: source-8e3d81855772cb51
title: Hyper Beam (Mother Brain) — Metroid Wiki
url: 'https://www.metroidwiki.org/wiki/Hyper_Beam_%28Mother_Brain%29'
verifiedAt: null
- id: source-65c18ca8808a5666
title: Serpent-Hunter — Eldenpedia
url: 'https://eldenring.wiki.gg/wiki/Serpent-Hunter'
verifiedAt: null
- id: source-d882226174d610d2
title: Storm Ruler — Dark Souls III Wiki
url: 'https://darksouls3.wikidot.com/equipmentgroup%3Astorm-ruler'
verifiedAt: null
- id: source-c96163d82513dbb5
title: Super Metroid
url: 'https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=215s'
verifiedAt: null
relations: []
placements:
- catalogId: boss-fight-atlas
id: boss-encounter-specific-tool
title: Boss fights
url: >-
https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-encounter-specific-tool
categoryIds:
- catalog-part-11
supersededBy: []
attributes:
preview:
updatedAt: '2026-10-22'
title: Encounter-specific tool
description: >-
An encounter-specific tool provides an action needed against this
opponent.
image:
src: images/mechanics/boss-final-0lb4p-qnjiw-215.webp
width: 256
height: 224
game: Super Metroid
sourceUrl: 'https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=215s'
originalUrl: 'https://www.youtube.com/watch?v=0lb4p-Qnjiw'
sourceFrameSeconds: 215
credit: Nintendo; gameplay capture by Desbreko
rights: >-
Game graphics © Nintendo. Gameplay recording by Desbreko. Original
visible source markings retained. All rights reserved; excluded from
portal MIT and CC BY 4.0.
caption: 'Super Metroid: the Hyper Beam is used in the Mother Brain finale'
alt: 'Super Metroid: the Hyper Beam is used in the Mother Brain finale'
markers:
- x: 57
'y': 63
label: The beam gained in this phase changes Samus’s options for the finale
tips:
- >-
Teach the special tool in a safe window and make its role in the
encounter clear.
examples:
- title: Super Metroid
url: 'https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=215s'
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
---
# Encounter-specific tool
id: boss-fight-atlas--boss-encounter-specific-tool
type: mechanic
key: mechanic/boss-fight-atlas--boss-encounter-specific-tool
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-encounter-specific-tool/
An encounter-specific tool provides an action needed against this opponent.
## At a glance
[Super Metroid](https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=215s) · Game graphics © Nintendo. Gameplay recording by Desbreko. 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=0lb4p-Qnjiw), 215 s
1. The beam gained in this phase changes Samus’s options for the finale
- Teach the special tool in a safe window and make its role in the encounter clear.
- [Super Metroid](https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=215s)
## How it works
An encounter-specific tool provides an action needed against this opponent.
## Variants
### How the technique works
- An encounter-specific tool provides an action needed against this opponent.
## 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: Encounter-specific tool (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/encounter-specific-tool/) (id: source-0d7e759a2f97de82)
- [Boss Fight Atlas: Encounter-specific tool (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/encounter-specific-tool/) (id: source-c600fe74b2fab0c5)
- [Mother Brain · Super Metroid](https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=200s) (id: source-5284dbe1e35d5efb)
- [Rykard, Lord of Blasphemy · Elden Ring](https://www.youtube.com/watch?v=B9EorRzSavI&t=45s) (id: source-66310cc6daf3fff8)
- [Yhorm the Giant · Dark Souls III](https://www.youtube.com/watch?v=BQS8P60aYOc&t=18s) (id: source-90fa4750c9508236)
- [Boss Up: Boss Battle Design](https://media.gdcvault.com/gdc2018/presentations/Keren_Itay_BossUp.pdf) (id: source-c151324fe6097460)
- [Hyper Beam (Mother Brain) — Metroid Wiki](https://www.metroidwiki.org/wiki/Hyper_Beam_%28Mother_Brain%29) (id: source-8e3d81855772cb51)
- [Serpent-Hunter — Eldenpedia](https://eldenring.wiki.gg/wiki/Serpent-Hunter) (id: source-65c18ca8808a5666)
- [Storm Ruler — Dark Souls III Wiki](https://darksouls3.wikidot.com/equipmentgroup%3Astorm-ruler) (id: source-d882226174d610d2)
- [Super Metroid](https://www.youtube.com/watch?v=0lb4p-Qnjiw&t=215s) (id: source-c96163d82513dbb5)
CC-BY-4.0 · gamemechanics.pro contributors