Source-reviewed guide

Jotun Invasion: Trigger, Ice Core and Reward

Jotun Invasion guide for Valheim 1.0: how to reach or trigger it, required items, useful rewards, tactics, and its Deep North progression role.

Reviewed 2026-09-23

Jotun Invasion is a Deep North event tied to one Malicious Blood after destroying the invasion core. It fits into the route mapped in the Deep North guide and the locations catalog.

Quick facts

TypeEvent
BiomeDeep North
Unlocked bydestroying Malicious Ice at the bottom of Mörkhalla
Useful rewardsone Malicious Blood after destroying the invasion core
RequiresSee the linked steps below

How to trigger it

Community-verified; Iron Gate's notes name the content but do not publish the complete progression sequence.

  1. Unlock and clear Mörkhalla.
  2. Destroy the Malicious Ice at the dungeon bottom.
  3. Find the invasion marker elsewhere in the world and travel prepared.
  4. Destroy the event's ice core to obtain Malicious Blood.

What you get from it

  • One Malicious Blood toward the three required at the Aesir Passage.
  • A repeatable stage of the Kall Fimbulbringer summon chain.
  • A clear reason to keep portals and travel supplies ready after each Mörkhalla run.

Tactics

  • Note the event location before leaving the dungeon sequence.
  • Bring food and recovery supplies for both travel and the core fight.
  • Focus the objective when safe instead of letting the event stretch indefinitely.
  • Repeat the full route until you hold three blood.

Frequently asked questions

How do you trigger Jotun Invasion in Valheim?

Unlock and clear Mörkhalla. Then follow the remaining steps above; every required item and preceding location is linked.

What do you get from Jotun Invasion?

Its main verified reward or purpose is one Malicious Blood after destroying the invasion core. Exact drop quantities are omitted unless multiple sources agree.

Is Jotun Invasion required for Kall Fimbulbringer?

Yes. It is part of the chain that creates Malicious Blood or opens the route to Kall.

Sources

Sources: Official Valheim 1.0 notes, Deep North overview — BisectHosting, Community guide, Community guide.

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