---
key: mechanic/boss-fight-atlas--boss-resource-steal
type: mechanic
id: boss-fight-atlas--boss-resource-steal
lang: en
title: Resource steal or drop
summary: A hit transfers resource ownership or drops it for possible recovery.
updatedAt: '2026-10-22'
status: active
url: >-
  https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-resource-steal/
jsonUrl: >-
  https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-resource-steal.json
markdownUrl: >-
  https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-resource-steal.md
aliases: []
tags:
  - Boss fights
  - 'States, resources, and scaling'
sourceIds:
  - source-1c9c05b32569b635
  - source-27fca7e342ded6ea
  - source-45c6a0e59e4b2f3c
  - source-d38e1dcc2d70f5f2
  - source-c2a38d4f82a1e8d5
  - source-c151324fe6097460
  - source-50950ab9c16bcbfb
  - source-444d2a7f00ec5dcc
  - source-27cdda94844fde87
  - source-4fae4000688a1d3d
sources:
  - id: source-1c9c05b32569b635
    title: 'Boss Fight Atlas: Resource steal or drop (RU)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/resource-steal/'
    verifiedAt: null
  - id: source-27fca7e342ded6ea
    title: 'Boss Fight Atlas: Resource steal or drop (EN)'
    url: 'https://polyakovin.github.io/boss-fight-atlas/en/mechanics/resource-steal/'
    verifiedAt: null
  - id: source-45c6a0e59e4b2f3c
    title: 'Ultra Greed · The Binding of Isaac: Afterbirth'
    url: 'https://www.youtube.com/watch?v=XQlXp2yua64&t=105s'
    verifiedAt: null
  - id: source-d38e1dcc2d70f5f2
    title: Exception · Sonic Rush
    url: 'https://www.youtube.com/watch?v=MmwhGbaEiZE&t=905s'
    verifiedAt: null
  - id: source-c2a38d4f82a1e8d5
    title: 'Kaz''rogal · World of Warcraft: The Burning Crusade'
    url: 'https://www.youtube.com/watch?v=JbiA2yrU5rs&t=94s'
    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-50950ab9c16bcbfb
    title: 'Ultra Greedier — Binding of Isaac: Rebirth Wiki'
    url: 'https://bindingofisaacrebirth.wiki.gg/wiki/Ultra_Greedier'
    verifiedAt: null
  - id: source-444d2a7f00ec5dcc
    title: Sonic Rush FAQ and walkthrough — GameFAQs
    url: 'https://gamefaqs.gamespot.com/ds/920803-sonic-rush/faqs/40174'
    verifiedAt: null
  - id: source-27cdda94844fde87
    title: Mark of Kaz'rogal — Wowhead
    url: 'https://www.wowhead.com/spell%3D31447/mark-of-kazrogal'
    verifiedAt: null
  - id: source-4fae4000688a1d3d
    title: 'The Binding of Isaac: Afterbirth'
    url: 'https://www.youtube.com/watch?v=XQlXp2yua64&t=120s'
    verifiedAt: null
relations: []
placements:
  - catalogId: boss-fight-atlas
    id: boss-resource-steal
    title: Boss fights
    url: >-
      https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-resource-steal
    categoryIds:
      - catalog-part-12
supersededBy: []
attributes:
  preview:
    updatedAt: '2026-10-22'
    title: Resource steal or drop
    description: A hit transfers resource ownership or drops it for possible recovery.
    image:
      src: images/mechanics/boss-final-xqlxp2yua64-120.webp
      width: 640
      height: 360
      game: 'The Binding of Isaac: Afterbirth'
      sourceUrl: 'https://www.youtube.com/watch?v=XQlXp2yua64&t=120s'
      originalUrl: 'https://www.youtube.com/watch?v=XQlXp2yua64'
      sourceFrameSeconds: 120
      credit: Nicalis / Edmund McMillen; gameplay capture by quackalakes
      rights: >-
        Game graphics © Nicalis / Edmund McMillen. Gameplay recording by
        quackalakes. Original visible source markings retained. All rights
        reserved; excluded from portal MIT and CC BY 4.0.
      caption: 'The Binding of Isaac: the coin reserve is at risk against Ultra Greed'
      alt: 'The Binding of Isaac: the coin reserve is at risk against Ultra Greed'
      markers:
        - x: 10
          'y': 15
          label: Ultra Greed’s hits can knock coins out of the player’s reserve
    tips:
      - >-
        Distinguish dropped resources, opportunities to recover them and
        permanent loss.
    examples:
      - title: 'The Binding of Isaac: Afterbirth'
        url: 'https://www.youtube.com/watch?v=XQlXp2yua64&t=120s'
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
---
# Resource steal or drop

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

A hit transfers resource ownership or drops it for possible recovery.

## At a glance

![The Binding of Isaac: the coin reserve is at risk against Ultra Greed](https://gamemechanics.pro/images/mechanics/boss-final-xqlxp2yua64-120.webp)

[The Binding of Isaac: Afterbirth](https://www.youtube.com/watch?v=XQlXp2yua64&t=120s) · Game graphics © Nicalis / Edmund McMillen. Gameplay recording by quackalakes. 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=XQlXp2yua64), 120 s

1. Ultra Greed’s hits can knock coins out of the player’s reserve

- Distinguish dropped resources, opportunities to recover them and permanent loss.

- [The Binding of Isaac: Afterbirth](https://www.youtube.com/watch?v=XQlXp2yua64&t=120s)

## How it works

A hit transfers resource ownership or drops it for possible recovery.

## Variants

### How the technique works

<a id="boss-resource-steal-rule"></a>

- A hit transfers resource ownership or drops it for possible recovery. <a id="boss-resource-steal-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: Resource steal or drop (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/resource-steal/) (id: source-1c9c05b32569b635)
- [Boss Fight Atlas: Resource steal or drop (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/resource-steal/) (id: source-27fca7e342ded6ea)
- [Ultra Greed · The Binding of Isaac: Afterbirth](https://www.youtube.com/watch?v=XQlXp2yua64&t=105s) (id: source-45c6a0e59e4b2f3c)
- [Exception · Sonic Rush](https://www.youtube.com/watch?v=MmwhGbaEiZE&t=905s) (id: source-d38e1dcc2d70f5f2)
- [Kaz'rogal · World of Warcraft: The Burning Crusade](https://www.youtube.com/watch?v=JbiA2yrU5rs&t=94s) (id: source-c2a38d4f82a1e8d5)
- [Boss Up: Boss Battle Design](https://media.gdcvault.com/gdc2018/presentations/Keren_Itay_BossUp.pdf) (id: source-c151324fe6097460)
- [Ultra Greedier — Binding of Isaac: Rebirth Wiki](https://bindingofisaacrebirth.wiki.gg/wiki/Ultra_Greedier) (id: source-50950ab9c16bcbfb)
- [Sonic Rush FAQ and walkthrough — GameFAQs](https://gamefaqs.gamespot.com/ds/920803-sonic-rush/faqs/40174) (id: source-444d2a7f00ec5dcc)
- [Mark of Kaz'rogal — Wowhead](https://www.wowhead.com/spell%3D31447/mark-of-kazrogal) (id: source-27cdda94844fde87)
- [The Binding of Isaac: Afterbirth](https://www.youtube.com/watch?v=XQlXp2yua64&t=120s) (id: source-4fae4000688a1d3d)

CC-BY-4.0 · gamemechanics.pro contributors
