---
key: mechanic/boss-fight-atlas--boss-speed-change
type: mechanic
id: boss-fight-atlas--boss-speed-change
lang: en
title: Speed change
summary: A speed change during an attack alters the required dodge timing.
updatedAt: '2026-10-22'
status: active
url: >-
https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-speed-change/
jsonUrl: >-
https://gamemechanics.pro/api/v1/knowledge/en/mechanic/boss-fight-atlas--boss-speed-change.json
markdownUrl: >-
https://gamemechanics.pro/content/knowledge/en/mechanic/boss-fight-atlas--boss-speed-change.md
aliases: []
tags:
- Boss fights
- Targeting and rhythm
sourceIds:
- source-9432aae25d30ae62
- source-7f5761c4a98667f3
- source-353bf00c1ea70052
- source-f5072805eceb11a8
- source-61ccb0b59c9911e7
- source-a7adfadf71eba8b4
- source-81c96b8c22abe80e
- source-3d2d9c453d7f0fb4
- source-b6f50ff27f0e9351
sources:
- id: source-9432aae25d30ae62
title: 'Boss Fight Atlas: Speed change (RU)'
url: 'https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/speed-change/'
verifiedAt: null
- id: source-7f5761c4a98667f3
title: 'Boss Fight Atlas: Speed change (EN)'
url: 'https://polyakovin.github.io/boss-fight-atlas/en/mechanics/speed-change/'
verifiedAt: null
- id: source-353bf00c1ea70052
title: 'Moldorm · The Legend of Zelda: Link''s Awakening'
url: 'https://www.youtube.com/watch?v=U7FoVnTXgfs&t=27s'
verifiedAt: null
- id: source-f5072805eceb11a8
title: Nightmare King Grimm · Hollow Knight
url: 'https://www.youtube.com/watch?v=7JWQ9KjwPyE&t=15s'
verifiedAt: null
- id: source-61ccb0b59c9911e7
title: Dragonlord Placidusax · Elden Ring
url: 'https://www.youtube.com/watch?v=se4raf3je4o&t=240s'
verifiedAt: null
- id: source-a7adfadf71eba8b4
title: Moldorm (Boss) · Zelda Wiki
url: 'https://www.zeldawiki.wiki/wiki/Moldorm_(Boss)'
verifiedAt: null
- id: source-81c96b8c22abe80e
title: Nightmare King Grimm · Hollow Knight Wiki
url: 'https://www.hollowknight.wiki/w/Nightmare_King_Grimm'
verifiedAt: null
- id: source-3d2d9c453d7f0fb4
title: Dragonlord Placidusax · Elden Ring boss guide
url: 'https://game8.co/games/Elden-Ring/archives/371752'
verifiedAt: null
- id: source-b6f50ff27f0e9351
title: Terraria
url: 'https://www.youtube.com/watch?v=VaYY2fauQNo&t=67s'
verifiedAt: null
relations: []
placements:
- catalogId: boss-fight-atlas
id: boss-speed-change
title: Boss fights
url: 'https://gamemechanics.pro/en/mechanics/boss-fight-atlas/#boss-speed-change'
categoryIds:
- catalog-part-7
supersededBy: []
attributes:
preview:
updatedAt: '2026-10-22'
title: Speed change
description: A speed change during an attack alters the required dodge timing.
image:
src: images/mechanics/boss-final-vayy2fauqno-67.webp
width: 640
height: 360
crop:
x: 100
'y': 0
width: 420
height: 205
game: Terraria
sourceUrl: 'https://www.youtube.com/watch?v=VaYY2fauQNo&t=67s'
originalUrl: 'https://www.youtube.com/watch?v=VaYY2fauQNo'
sourceFrameSeconds: 67
credit: Re-Logic; gameplay capture by HACH439
rights: >-
Game graphics © Re-Logic. Gameplay recording by HACH439. Original
visible source markings retained. All rights reserved; excluded from
portal MIT and CC BY 4.0.
caption: 'Terraria: Eye of Cthulhu’s charges alternate acceleration and braking'
alt: 'Terraria: Eye of Cthulhu’s charges alternate acceleration and braking'
markers:
- x: 40
'y': 14
label: Charge acceleration and braking change when its path is crossed
tips:
- >-
Signal speed changes through pose, effects or sound while keeping the
path readable.
examples:
- title: Terraria
url: 'https://www.youtube.com/watch?v=VaYY2fauQNo&t=67s'
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
---
# Speed change
id: boss-fight-atlas--boss-speed-change
type: mechanic
key: mechanic/boss-fight-atlas--boss-speed-change
lang: en
status: active
url: https://gamemechanics.pro/en/knowledge/mechanic/boss-fight-atlas--boss-speed-change/
A speed change during an attack alters the required dodge timing.
## At a glance
[Terraria](https://www.youtube.com/watch?v=VaYY2fauQNo&t=67s) · Game graphics © Re-Logic. Gameplay recording by HACH439. 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=VaYY2fauQNo), 67 s
1. Charge acceleration and braking change when its path is crossed
- Signal speed changes through pose, effects or sound while keeping the path readable.
- [Terraria](https://www.youtube.com/watch?v=VaYY2fauQNo&t=67s)
## How it works
A speed change during an attack alters the required dodge timing.
## Variants
### How the technique works
- A speed change during an attack alters the required dodge timing.
## 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: Speed change (RU)](https://polyakovin.github.io/boss-fight-atlas/ru/mechanics/speed-change/) (id: source-9432aae25d30ae62)
- [Boss Fight Atlas: Speed change (EN)](https://polyakovin.github.io/boss-fight-atlas/en/mechanics/speed-change/) (id: source-7f5761c4a98667f3)
- [Moldorm · The Legend of Zelda: Link's Awakening](https://www.youtube.com/watch?v=U7FoVnTXgfs&t=27s) (id: source-353bf00c1ea70052)
- [Nightmare King Grimm · Hollow Knight](https://www.youtube.com/watch?v=7JWQ9KjwPyE&t=15s) (id: source-f5072805eceb11a8)
- [Dragonlord Placidusax · Elden Ring](https://www.youtube.com/watch?v=se4raf3je4o&t=240s) (id: source-61ccb0b59c9911e7)
- [Moldorm (Boss) · Zelda Wiki](https://www.zeldawiki.wiki/wiki/Moldorm_(Boss)) (id: source-a7adfadf71eba8b4)
- [Nightmare King Grimm · Hollow Knight Wiki](https://www.hollowknight.wiki/w/Nightmare_King_Grimm) (id: source-81c96b8c22abe80e)
- [Dragonlord Placidusax · Elden Ring boss guide](https://game8.co/games/Elden-Ring/archives/371752) (id: source-3d2d9c453d7f0fb4)
- [Terraria](https://www.youtube.com/watch?v=VaYY2fauQNo&t=67s) (id: source-b6f50ff27f0e9351)
CC-BY-4.0 · gamemechanics.pro contributors