Valheim DatabaseValheim 1.0.16 · read from the game files · unofficial
Thunderblood Dagger icon

One-handed weapon · Knives

Thunderblood Dagger

The blade is already bloodied, yet it sparks in want of more.

Damage
205
80 Slash · 80 Pierce · 45 Lightning
Block
2
parry ×4
Attack stamina
14
Max level
4

Materials fromSwamp· in the developers' Deep north medium test kit

Item IDKnifeGold_BloodLightningSpawnspawn KnifeGold_BloodLightning 1 4

Recipe

Upgrades by level

LevelDamageBlockDurabilityStation lvlMaterials
180 Slash80 Pierce45 Lightning240041× Nord Dagger20× Bloodgold1× Thunderblood Essence
285 Slash85 Pierce50 Lightning2450510× Bloodgold1× Thunderblood Essence
390 Slash90 Pierce55 Lightning2500620× Bloodgold2× Thunderblood Essence
495 Slash95 Pierce60 Lightning2550740× Bloodgold4× Thunderblood Essence

Upgrade cost per level = materials per level × (level − 1), and × 4 at level 4 (Piece.Requirement.GetAmount in the game code). Station level = recipe level + level − 1.

Total cost

One Thunderblood Dagger, broken down to what you gather (bars smelted from ore, with the coal the smelter burns):

Stats

Skill
Knives
Primary attack stamina
14
Secondary attack
42 stamina, ×3 damage
Knockback
10
Backstab bonus
×6
Block armor
2
Parry bonus
×4
Block force
10
Tool tier
4
Durability
400 (+50 per level)
Weight
0.3

Hits to kill in the Swamp

CreatureHealthPer hitHits2★ hits
Skeleton40141.811
Blob50129.512
Leech6017512
Draugr10017512
Wraith100108.513
Oozer150129.524
Draugr Elite20017524
Writhan400208.326
Abomination800125.1720
Bonemass5,00091.955—

Level 4 Thunderblood Dagger, primary attack, skill 50 (each hit rolls 55–85% of the damage), after each creature's resistances. Try other levels and skills in the damage calculator.

Compared with similar weapons

ItemDamageMax levelStaminaWeight
Flint Knife101640.3
Copper Knife243060.3
Abyssal Razor404680.3
Silver Knife6268100.3
Black Metal Knife6874120.3
Skoll and Hati9096140.3
Nord Dagger150180140.3
Thunderblood Dagger205250140.3
Frostfire Dagger222270140.3

Thunderblood Dagger in other languages

UkrainianГромокровний кинджал

Portuguese BrazilianAdaga de trovossangue

DanishTordenblod daggert

FrenchDague de sang-tonnerre

ItalianPugnale di Sangue tonante

GermanDonnerblut-Dolch

SpanishDaga de sangre de trueno

RussianГромокровный кинжал

BulgarianГръмокръвен Кинжал

TurkishŞimşekkanı Hançeri

PolishGrzmotokrwisty sztylet

Chinese雷血匕首

Chinese Trad雷血匕首

Japanese雷血の短剣

Korean천둥피 단검

From the game's own localization files (16 languages).

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