Source-reviewed guide
How to Beat Kall Fimbulbringer in Valheim
Summon and beat Kall Fimbulbringer with Malicious Blood, three-phase tactics, Aspect counters, damage types, gear, rewards, and the ending step.
Reviewed 2026-11-01
Kall Fimbulbringer is Valheim's final Forsaken, waiting beyond the Aesir Passage in Deep North. Reaching him means completing the biome's dungeon and invasion chain; winning means surviving both Kall and the returning Aspects of earlier bosses.
Details below separate Kall's registered boss bodies from the player damage required against the seven Aspects. That resolves the two totals commonly quoted for this encounter.
Quick facts
| Biome | Deep North |
| Summon item | 3 Malicious Blood |
| Offering location | Strange Bowl in the Aesir Passage |
| Arena | The Prison |
| Drops | Sacrificial Blood and Crown Jewel |
| Recommended gear tier | Upgraded Deep North equipment, with a strong blunt or slash weapon |
How to summon
- Explore Winding Tunnels for an Intricate Key mould, including drops from Elaking. Look beneath abandoned villages for tunnel entrances.
- At a level 4 Black Forge, combine a key mould with 5 Bloodgold to make a key cast. Process it in the Frost Foundry, fueled with Liquid Frost, to obtain the Intricate Key.
- Unlock Mörkhalla, descend through the dungeon, and destroy the Malicious Ice at the bottom. This starts a Jotun Invasion elsewhere in the world.
- Travel to that invasion and destroy its ice core to obtain one Malicious Blood. Repeat the dungeon/invasion chain until you have three.
- Use the Aesir Passage Vegvisir found in Mörkhalla to locate the passage. Offer all three Blood in its Strange Bowl to open the way into The Prison.
The Deep North progression guide covers the workshop and resource preparation behind these steps.
The fight
The gauntlet is phase two, between two rounds against Kall. Clear the summoned Aspects before Kall becomes vulnerable again.
Phase one: chains
Kall opens with overhead slams, sweeping chains, a spinning attack, and a forward rush. Read the windup before committing: sidestep the rush, create distance from the spin, and keep enough stamina to dodge after attacking. Favor short exchanges over a full combo that leaves you standing in the next swing.
Phase two: seven earlier Forsaken
Kall's 7,000-health second body is immune to every player damage type. He summons seven Aspects of previous bosses, beginning with Eikthyr, and the Aspects carry 12,800 health in total. After the opener, two summon chains can overlap; defeating one Aspect advances its line. Stop attacking Kall and focus the active targets until all seven are gone.
Phase three: elemental chains
Kall returns with fire and frost attacks, faster chained strikes, and dangerous tendrils. This is the longest direct damage phase. Save healing and stamina recovery for it, and leave yourself room to retreat when a chain sequence begins.
Health and damage types
Kall has three registered bodies totaling 47,000 health: 10,000, 7,000, and 30,000. The middle body cannot be damaged; instead, players remove 12,800 health from the seven Aspects. The practical amount of damage required across valid targets is therefore 52,800 before world difficulty and player-count scaling.
| Stage | Health you can damage | What ends it |
|---|---|---|
| Phase one | 10,000 | Deplete Kall's opening body |
| Phase two | 12,800 across seven Aspects | Defeat every Aspect; Kall's 7,000-health body is immune |
| Phase three | 30,000 | Deplete Kall's final body |
| Practical total | 52,800 | All three combat stages |
| Damage | Against Kall |
|---|---|
| Blunt, slash | Full damage |
| Pierce, fire, frost, lightning | Resisted |
| Spirit | Immune |
This profile belongs to Kall; do not assume every Aspect shares it.
Attacks to recognize
| Attack | What to watch for | Response |
|---|---|---|
| Chain rush | A forward lunge dealing blunt and pierce damage | Keep dodge stamina available and move across the line rather than backing straight away |
| Double sweep | A broad 10-metre chain arc | Close or dodge through the timing; simply retreating can remain inside the arc |
| Chain whirl | An 8.5-metre circular attack | Leave the inner circle as the spin starts |
| Ground punch | Phase-three area slam with high stagger | Dodge out; a marginal block can break your guard |
| Spike rain | 20–25 falling spikes spread across a wide area | Keep moving instead of trying to hold a shield against repeated impacts |
| Tendrils | Nine stationary hazards placed around the player's position | Reposition immediately and clear only the tendrils blocking the route |
Prep checklist
- Weapon: prioritize the physical damage on a Deep North hammer or sword. BisectHosting and Valheim.tools both recommend Thunderblood Sledge, Frostfire Sledge, or Thunderblood Greatsword. Their elemental names do not make Kall weak to those elements.
- Armor: upgrade and repair your Deep North kit before entering. Bring your practiced defensive setup rather than learning a new weapon during the gauntlet.
- Resistance: bring Fire Resistance Barley Wine and Frost Resistance Mead for the elemental attacks.
- Sustain: take healing and stamina meads and refresh your best food and Rested bonus before the offering. Budget supplies for all three phases.
- Recovery: our recommendation is a protected return portal outside the Aesir Passage, with spare food and recovery equipment at home. Check the connection before spending the Blood.
Arena and terrain
The Prison is a separate encounter reached through the passage. Kall wakes when a player moves within roughly 15 metres, so eat, drink resistance meads, and assign group targets before approaching. Patch 1.0.16 fixed some boss-fight spawns appearing outside the intended arena and some rendering incorrectly; update before attempting the fight.
Treat the floor as movement space: keep an escape direction open during the chain spin, spike rain, tendrils, and overlapping Aspect attacks. In a group, agree on the current target so that one nearly defeated Aspect does not linger while everyone changes opponents.
Drops and ending
Take Sacrificial Blood back to the Sacrificial Stones and use it there to trigger the ending. This is the finale step described by BisectHosting and Valheim.tools' progression guide. Kall grants no Forsaken Power.
The Crown Jewel combines with five Bloodgold at a level 4 Black Forge to make the Crown of Valheim. It provides 50 armor, 5% extra movement speed, and 20% lower stamina costs for attacking, running, swimming, and sneaking. Creatures that target the wearer flee, with boss-faction enemies excluded, so the crown does not trivialize a Kall rematch.
Common mistakes
- Spending stamina on Kall while he is immune during the Aspect phase.
- Building around pierce or spirit damage because it worked earlier in progression.
- Treating the first depleted health bar as the end and using all recovery supplies too early.
- Chasing an extra hit into a spin or rapid chain sequence.
- Confusing Malicious Blood, the summon offering, with Sacrificial Blood, the ending reward.
Frequently asked questions
How do you summon Kall Fimbulbringer?
Collect three Malicious Blood by completing the Mörkhalla and Jotun Invasion chain, then offer them in the Strange Bowl at the Aesir Passage to enter The Prison.
Does Kall give a Forsaken Power?
No. Defeating Kall Fimbulbringer does not unlock a new Forsaken Power.
What does Kall drop?
Kall drops Sacrificial Blood for the ending at the Sacrificial Stones and a Crown Jewel used to craft the Crown of Valheim.
Sources
Official 1.0 patch notes, official 1.0.16 fixes, Kall boss data and strategy — Valheim.tools, Kall prefab data — Valheim Source, Aesir Passage and summoning — AllThingsHow, Deep North progression — Valheim.tools, and Crown of Valheim — Valheim.tools.