Material

Obsidian

Dark volcanic glass.

Weight

stacks to 50

Materials fromMountains

Item IDObsidianSpawnspawn Obsidian 50

Where to get Obsidian

Source	Amount	Chance	Biome
Broken from Obsidian Deposit	1 × 5–8 rolls	100%	Mountains
Picked from Obsidian	1	100%
Broken from Obsidian	2–3 × 1 roll	100%
Found in Chest	3–9 × 3–5 rolls	100%	Mountains Deep North
Caught by Tetra	1–2 × 1 roll	16.7%

Source

Amount

Chance

Biome

Broken from Obsidian Deposit

1 × 5–8 rolls

100%

Mountains

Picked from Obsidian

100%

Broken from Obsidian

2–3 × 1 roll

100%

Found in Chest

3–9 × 3–5 rolls

100%

Mountains Deep North

Caught by Tetra

1–2 × 1 roll

16.7%

What Obsidian is used for

Frost Arrow× 4

Obsidian Arrow× 4

Poison Arrow× 4

Building pieces:

Tool Shelf× 4

Obsidian in other languages

UkrainianОбсидіан

Portuguese BrazilianObsidiana

NorwegianLavaglass

HungarianObszidián

FrenchObsidienne

ItalianOssidiana

SpanishObsidiana

RussianОбсидиан

BulgarianОбсидиан

FinnishObsidiaania

IcelandicHrafntinna

TurkishObsidiyen

LithuanianObsidianas

CzechObsidián

SlovakObsidián

PolishObsydian

DutchObsidiaan

Portuguese EuropeanObsidiana

Chinese黑曜石

Chinese Trad黑曜石

Japanese黒曜石

Korean흑요석

Thaiออบซิเดียน

AbenakiSkwedaadenapskw

CroatianOpsidijan

Georgianობსიდიანი

LatvianObsidiāns

From the game's own localization files (28 languages).

Source: ObjectDB in the files of Valheim 1.0.16 (2026-09-24), prefab Obsidian. See how this site reads the game.