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ValheimLoading...Firewalker

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YouDied-Firewalker-1.0.0

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Firewalker

Author: YouDied
Version: 1.0.0
Discord: https://discord.gg/z3vzqtFsa3

What it does

Firewalker lets you walk on lava and through fires (campfires, bonfires, burning ground) without taking environmental fire damage.

The catch: enemy fire attacks still hurt you as normal.
A Draugr Fyre's fireball, a Surtling's melee, a Gjall's firebomb — all of that still burns.

Fire Resistance Mead

The vanilla Fire Resistance Mead reduces fire damage from enemies.
Firewalker leaves that interaction alone — the mead still does what it always did for enemy fire.

Situation	Without Mead	With Mead
Walk on lava	✅ No damage	✅ No damage
Stand in campfire	✅ No damage	✅ No damage
Hit by enemy fire attack	🔥 Full damage	🛡️ Reduced (vanilla mead)
Burning status from enemy	🔥 Applied	🛡️ Reduced (vanilla mead)

Installation

Install BepInEx for Valheim.
Drop Firewalker.dll into BepInEx/plugins/Firewalker/.
Launch the game.

Configuration

After first launch, a config file is created at:

BepInEx/config/YouDied.Firewalker.cfg

Key	Default	Description
`Enabled`	`true`	Toggle the mod on/off without removing it.
`FirePotionStatusEffect`	`GP_MeadFireResist`	Prefab name prefix of the "fire potion" status effect. Change this if a modded mead should also count.

How it works (for modders)

Five Harmony patches:

Character.UpdateLava prefix — zeroes m_inLava and m_aboveOrInLavaTimer for the local player each frame so the lava damage tick never fires.
EffectArea.DamageArea prefix — skips the call entirely for the local player on Burning/Heat type areas (campfires, fire floors, etc.).
Character.ApplyDamage prefix — strips m_damage.m_fire from any hit that has no enemy attacker before the damage lands.
SEMan.AddStatusEffect prefix — blocks SE_Burning from being applied to the local player unless the current hit came from an enemy (tracked via patch 5).
Character.RPC_Damage prefix/postfix — sets a thread-local flag indicating whether the hit in progress originated from a non-player character, used by patch 4.

Compatibility

Tested against the Valheim assembly included in this repo (assembly_valheim.dll).
Should be compatible with most content mods since we only patch behaviour for the local player.
If you use a mead that grants fire resistance under a different prefab name, update FirePotionStatusEffect in the config.

What it does

Firewalker lets you walk on lava and through fires (campfires, bonfires, burning ground) without taking environmental fire damage.

The catch: enemy fire attacks still hurt you as normal.
A Draugr Fyre's fireball, a Surtling's melee, a Gjall's firebomb — all of that still burns.

Fire Resistance Mead

The vanilla Fire Resistance Mead reduces fire damage from enemies.
Firewalker leaves that interaction alone — the mead still does what it always did for enemy fire.

Situation

Without Mead

With Mead

Walk on lava

✅ No damage

Stand in campfire

✅ No damage

Hit by enemy fire attack

🔥 Full damage

🛡️ Reduced (vanilla mead)

Burning status from enemy

🔥 Applied

🛡️ Reduced (vanilla mead)

Configuration

After first launch, a config file is created at:

BepInEx/config/YouDied.Firewalker.cfg

Key

Default

Description

Enabled

true

Toggle the mod on/off without removing it.

FirePotionStatusEffect

GP_MeadFireResist

Prefab name prefix of the "fire potion" status effect. Change this if a modded mead should also count.

How it works (for modders)

Five Harmony patches:

Character.UpdateLava prefix — zeroes m_inLava and m_aboveOrInLavaTimer for the local player each frame so the lava damage tick never fires.

EffectArea.DamageArea prefix — skips the call entirely for the local player on Burning/Heat type areas (campfires, fire floors, etc.).

Character.ApplyDamage prefix — strips m_damage.m_fire from any hit that has no enemy attacker before the damage lands.

SEMan.AddStatusEffect prefix — blocks SE_Burning from being applied to the local player unless the current hit came from an enemy (tracked via patch 5).

Character.RPC_Damage prefix/postfix — sets a thread-local flag indicating whether the hit in progress originated from a non-player character, used by patch 4.

Compatibility

Tested against the Valheim assembly included in this repo (assembly_valheim.dll).

Should be compatible with most content mods since we only patch behaviour for the local player.

If you use a mead that grants fire resistance under a different prefab name, update FirePotionStatusEffect in the config.

Firewalker

Details

Categories

Firewalker

What it does

Fire Resistance Mead

Installation

Configuration

How it works (for modders)

Compatibility

Categories

Firewalker

What it does

Fire Resistance Mead

Installation

Configuration

How it works (for modders)

Compatibility

Categories