---
key: mechanic/boss-fight-atlas--boss-summon
type: mechanic
id: boss-fight-atlas--boss-summon
lang: en
title: Summon
summary: The boss introduces extra enemies that compete for attention.
updatedAt: '2026-10-22'
status: active
url: 'https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-summon/'
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-summon.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-summon.md
aliases: []
tags:
  - Boss fights
  - Additional targets
sourceIds:
  - source-68cc17253abe1410
  - source-2e5fb712208e3710
  - source-b155a602946ba6d1
  - source-672a1787af5dbc85
  - source-f07b0a8ea5a95bae
  - source-fac4bc0429f0b121
  - source-ae55768c8f3a185d
sources:
  - id: source-68cc17253abe1410
    title: 'Boss Fight Atlas: Summon (RU)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/summon/'
    verifiedAt: null
  - id: source-2e5fb712208e3710
    title: 'Boss Fight Atlas: Summon (EN)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/en/mechanics/summon/'
    verifiedAt: null
  - id: source-b155a602946ba6d1
    title: The Collector · Hollow Knight
    url: 'https://www.youtube.com/watch?v=rwZmf4u366o&t=1000s'
    verifiedAt: null
  - id: source-672a1787af5dbc85
    title: 'Rennala, Queen of the Full Moon · Elden Ring'
    url: 'https://www.youtube.com/watch?v=8wTLAgG3dX0&t=250s'
    verifiedAt: null
  - id: source-f07b0a8ea5a95bae
    title: 'Rom, the Vacuous Spider · Bloodborne'
    url: 'https://www.youtube.com/watch?v=VbN4AB4T8ho&t=62s'
    verifiedAt: null
  - id: source-fac4bc0429f0b121
    title: Boss guide · Rennala summon roster and phase structure
    url: >-
      https://www.gameinformer.com/guide/2022/03/02/how-to-beat-rennala-queen-of-the-full-moon-elden-ring-boss-guide
    verifiedAt: null
  - id: source-ae55768c8f3a185d
    title: Hollow Knight
    url: 'https://www.youtube.com/watch?v=rwZmf4u366o&t=1010s'
    verifiedAt: null
relations: []
placements:
  - catalogId: boss-fight-atlas
    id: boss-summon
    title: Boss fights
    url: 'https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-summon'
    categoryIds:
      - catalog-part-6
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Summon
    description: The boss introduces extra enemies that compete for attention.
    image:
      src: images/mechanics/boss-frame-rwzmf4u366o-1010.webp
      width: 854
      height: 480
      game: Hollow Knight
      sourceUrl: 'https://www.youtube.com/watch?v=rwZmf4u366o&t=1010s'
      originalUrl: 'https://www.youtube.com/watch?v=rwZmf4u366o'
      sourceFrameSeconds: 1010
      credit: Team Cherry; gameplay capture by ProsafiaGaming
      rights: >-
        Game graphics © Team Cherry. Gameplay recording by ProsafiaGaming.
        Visible source markings preserved. All rights reserved; excluded from
        MIT and CC BY 4.0.
      caption: The Collector releases creatures into the fight
      alt: The Collector releases creatures into the fight
      markers:
        - x: 89
          'y': 48
          label: An additional creature appears beside the main threat
    tips:
      - >-
        Limit summoned creature counts and provide a clear way to reduce
        pressure.
    examples:
      - title: Hollow Knight
        url: 'https://www.youtube.com/watch?v=rwZmf4u366o&t=1010s'
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
---
# Summon

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

The boss introduces extra enemies that compete for attention.

## At a glance

![The Collector releases creatures into the fight](https://gamemechanics.pro/images/mechanics/boss-frame-rwzmf4u366o-1010.webp)

[Hollow Knight](https://www.youtube.com/watch?v=rwZmf4u366o&t=1010s) · Game graphics © Team Cherry. Gameplay recording by ProsafiaGaming. Visible source markings preserved. All rights reserved; excluded from MIT and CC BY 4.0.

[Source recording](https://www.youtube.com/watch?v=rwZmf4u366o), 1010 s

1. An additional creature appears beside the main threat

- Limit summoned creature counts and provide a clear way to reduce pressure.

- [Hollow Knight](https://www.youtube.com/watch?v=rwZmf4u366o&t=1010s)

## How it works

The boss introduces extra enemies that compete for attention.

## Variants

### How the technique works

<a id="boss-summon-rule"></a>

- The boss introduces extra enemies that compete for attention. <a id="boss-summon-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: Summon (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/summon/) (id: source-68cc17253abe1410)
- [Boss Fight Atlas: Summon (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/summon/) (id: source-2e5fb712208e3710)
- [The Collector · Hollow Knight](https://www.youtube.com/watch?v=rwZmf4u366o&t=1000s) (id: source-b155a602946ba6d1)
- [Rennala, Queen of the Full Moon · Elden Ring](https://www.youtube.com/watch?v=8wTLAgG3dX0&t=250s) (id: source-672a1787af5dbc85)
- [Rom, the Vacuous Spider · Bloodborne](https://www.youtube.com/watch?v=VbN4AB4T8ho&t=62s) (id: source-f07b0a8ea5a95bae)
- [Boss guide · Rennala summon roster and phase structure](https://www.gameinformer.com/guide/2022/03/02/how-to-beat-rennala-queen-of-the-full-moon-elden-ring-boss-guide) (id: source-fac4bc0429f0b121)
- [Hollow Knight](https://www.youtube.com/watch?v=rwZmf4u366o&t=1010s) (id: source-ae55768c8f3a185d)

CC-BY-4.0 · gamemechanics.pro contributors
