---
key: mechanic/boss-fight-atlas--boss-on-hit-healing
type: mechanic
id: boss-fight-atlas--boss-on-hit-healing
lang: en
title: On-hit healing or lifesteal
summary: A qualifying contact restores boss health.
updatedAt: '2026-10-22'
status: active
url: >-
https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-on-hit-healing/
jsonUrl: >-
https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-on-hit-healing.json
markdownUrl: >-
https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-on-hit-healing.md
aliases: []
tags:
- Boss fights
- 'States, resources, and scaling'
sourceIds:
- source-397419f57aa8a4be
- source-f7cafd29a0f9b400
- source-9367ec7cbc4dd496
- source-c972cadfe4232b29
- source-69ad21cc8de05c0f
- source-c151324fe6097460
- source-da88d2927f9c2384
- source-b54ed1e194f30077
- source-0b9d78b525b15952
- source-c45e2c9cd96f73c7
- source-99050cc95446ffab
sources:
- id: source-397419f57aa8a4be
title: 'Boss Fight Atlas: On-hit healing or lifesteal (RU)'
url: 'https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/on-hit-healing/'
verifiedAt: null
- id: source-f7cafd29a0f9b400
title: 'Boss Fight Atlas: On-hit healing or lifesteal (EN)'
url: 'https://polyakovin.github.io/boss-fight-atlas/en/mechanics/on-hit-healing/'
verifiedAt: null
- id: source-9367ec7cbc4dd496
title: Gym Leader Erika · Pokémon FireRed and LeafGreen
url: 'https://www.youtube.com/watch?v=9ADcfkcxblM&t=194s'
verifiedAt: null
- id: source-c972cadfe4232b29
title: 'Malenia, Blade of Miquella · Elden Ring'
url: 'https://www.youtube.com/watch?v=Uaq4bKbaz08&t=4s'
verifiedAt: null
- id: source-69ad21cc8de05c0f
title: 'Anub''arak · World of Warcraft: Wrath of the Lich King'
url: 'https://www.youtube.com/watch?v=xivwGN43ZpA&t=30s'
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-da88d2927f9c2384
title: Elden Ring update makes Malenia less impossible
url: >-
https://www.gamespot.com/articles/elden-ring-update-makes-malenia-less-impossible/1100-6502853/
verifiedAt: null
- id: source-b54ed1e194f30077
title: Anub'arak Strategy Guide — Trial of the Crusader
url: >-
https://www.wowhead.com/wotlk/guide/raids/trial-of-the-crusader/anubarak-strategy
verifiedAt: null
- id: source-0b9d78b525b15952
title: Giga Drain — Bulbapedia
url: 'https://bulbapedia.bulbagarden.net/wiki/Giga_Drain_(move)'
verifiedAt: null
- id: source-c45e2c9cd96f73c7
title: Pokémon FireRed and LeafGreen Gym Leaders
url: 'https://www.serebii.net/fireredleafgreen/gyms.shtml'
verifiedAt: null
- id: source-99050cc95446ffab
title: Pokémon FireRed and LeafGreen
url: 'https://www.youtube.com/watch?v=9ADcfkcxblM&t=201s'
verifiedAt: null
relations: []
placements:
- catalogId: boss-fight-atlas
id: boss-on-hit-healing
title: Boss fights
url: >-
https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-on-hit-healing
categoryIds:
- catalog-part-12
supersededBy: []
attributes:
preview:
updatedAt: '2026-10-22'
title: On-hit healing or lifesteal
description: A qualifying contact restores boss health.
image:
src: images/mechanics/boss-final-9adcfkcxblm-201.webp
width: 320
height: 240
game: Pokémon FireRed and LeafGreen
sourceUrl: 'https://www.youtube.com/watch?v=9ADcfkcxblM&t=201s'
originalUrl: 'https://www.youtube.com/watch?v=9ADcfkcxblM'
sourceFrameSeconds: 201
credit: >-
Nintendo / Game Freak / The Pokémon Company; gameplay capture by Juan
Ocampo
rights: >-
Game graphics © Nintendo / Game Freak / The Pokémon Company. Gameplay
recording by Juan Ocampo. Original visible source markings retained. All
rights reserved; excluded from portal MIT and CC BY 4.0.
caption: >-
Pokémon FireRed: Erika’s Tangela drains Butterfree’s energy with Giga
Drain
alt: >-
Pokémon FireRed: Erika’s Tangela drains Butterfree’s energy with Giga
Drain
markers:
- x: 43
'y': 78
label: The message confirms energy drained by Giga Drain
tips:
- Show the target’s health loss and the attacker’s recovery together.
examples:
- title: Pokémon FireRed and LeafGreen
url: 'https://www.youtube.com/watch?v=9ADcfkcxblM&t=201s'
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
---
# On-hit healing or lifesteal
id: boss-fight-atlas--boss-on-hit-healing
type: mechanic
key: mechanic/boss-fight-atlas--boss-on-hit-healing
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-on-hit-healing/
A qualifying contact restores boss health.
## At a glance
[Pokémon FireRed and LeafGreen](https://www.youtube.com/watch?v=9ADcfkcxblM&t=201s) · Game graphics © Nintendo / Game Freak / The Pokémon Company. Gameplay recording by Juan Ocampo. 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=9ADcfkcxblM), 201 s
1. The message confirms energy drained by Giga Drain
- Show the target’s health loss and the attacker’s recovery together.
- [Pokémon FireRed and LeafGreen](https://www.youtube.com/watch?v=9ADcfkcxblM&t=201s)
## How it works
A qualifying contact restores boss health.
## Variants
### How the technique works
- A qualifying contact restores boss health.
## 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: On-hit healing or lifesteal (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/on-hit-healing/) (id: source-397419f57aa8a4be)
- [Boss Fight Atlas: On-hit healing or lifesteal (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/on-hit-healing/) (id: source-f7cafd29a0f9b400)
- [Gym Leader Erika · Pokémon FireRed and LeafGreen](https://www.youtube.com/watch?v=9ADcfkcxblM&t=194s) (id: source-9367ec7cbc4dd496)
- [Malenia, Blade of Miquella · Elden Ring](https://www.youtube.com/watch?v=Uaq4bKbaz08&t=4s) (id: source-c972cadfe4232b29)
- [Anub'arak · World of Warcraft: Wrath of the Lich King](https://www.youtube.com/watch?v=xivwGN43ZpA&t=30s) (id: source-69ad21cc8de05c0f)
- [Boss Up: Boss Battle Design](https://media.gdcvault.com/gdc2018/presentations/Keren_Itay_BossUp.pdf) (id: source-c151324fe6097460)
- [Elden Ring update makes Malenia less impossible](https://www.gamespot.com/articles/elden-ring-update-makes-malenia-less-impossible/1100-6502853/) (id: source-da88d2927f9c2384)
- [Anub'arak Strategy Guide — Trial of the Crusader](https://www.wowhead.com/wotlk/guide/raids/trial-of-the-crusader/anubarak-strategy) (id: source-b54ed1e194f30077)
- [Giga Drain — Bulbapedia](https://bulbapedia.bulbagarden.net/wiki/Giga_Drain_(move)) (id: source-0b9d78b525b15952)
- [Pokémon FireRed and LeafGreen Gym Leaders](https://www.serebii.net/fireredleafgreen/gyms.shtml) (id: source-c45e2c9cd96f73c7)
- [Pokémon FireRed and LeafGreen](https://www.youtube.com/watch?v=9ADcfkcxblM&t=201s) (id: source-99050cc95446ffab)
CC-BY-4.0 · gamemechanics.pro contributors