Norse Field Manual
Forsaken Battles

Valheim Bosses Summoning & Combat Guide

How to summon, counter, and defeat every Forsaken boss across the realm — complete with damage weaknesses, arena prep, and power breakdowns.

Boss 01Meadows

Eikthyr

Summoning:2x Deer Trophies at Mystical Altar
Key Weakness:Pierce & Slash damage
Forsaken Power:60% reduced sprint and jump stamina drain
Tactical Tip: Craft a Wooden Shield and Flint Spear to easily parry his lightning and horn charges.
Boss 02Black Forest

The Elder

Summoning:3x Ancient Seeds burned at Sacrificial Bowl
Key Weakness:Fire damage (Fire Arrows & Campfires)
Forsaken Power:Faster wood cutting speed with axes
Tactical Tip: Use the 4 indestructible stone pillars surrounding the altar to break line-of-sight against vine volleys.
Boss 03Swamp

Bonemass

Summoning:10x Withered Bones at Giant Skull
Key Weakness:Blunt & Frost damage (Iron Mace / Frost Arrows)
Forsaken Power:Physical damage resistance (Slash, Blunt, Pierce)
Tactical Tip: Mandatory Poison Resistance Mead active at all times; use an Iron Mace with heavy secondary swings.
Boss 04Mountain

Moder

Summoning:3x Dragon Eggs (600 weight total)
Key Weakness:Fire & Poison damage (Obsidian / Poison Arrows)
Forsaken Power:Always tailwind when sailing boats
Tactical Tip: Flatten the terrain around the altar using a Hoe to prevent getting trapped by ice breath breath crystals.
Boss 05Plains

Yagluth

Summoning:5x Fuling Totems at Stone Hand
Key Weakness:Frost & Silver damage (Frostner / Silver Sword)
Forsaken Power:Elemental resistance (Fire, Frost, Lightning)
Tactical Tip: Fire Resistance Barley Wine is essential. Hide behind the giant stone fingers when meteors are summoned.
Boss 06Mistlands

The Queen

Summoning:Sealbreaker key at Infused Citadel
Key Weakness:Slash & Pierce (Demolisher / Mistwalker)
Forsaken Power:Faster Eitr regeneration & mining speed
Tactical Tip: Use Bile Bombs and Demolisher AoE to instantly clear brood swarms while dodging carapace charges.
Boss 07Ashlands

Fader

Summoning:3x Bell Fragments + Charred Core
Key Weakness:Frost & Blunt damage (Nidhog Frost / Demolisher)
Forsaken Power:Ashlands environmental heat & carry weight bonus
Tactical Tip: Deploy Shield Generators around the summon circle to absorb incoming emerald meteor bombardment.

Prep your armor and food before the fight

Ensure maximum stamina and health pools before triggering boss summons.