Invasions will trigger in Valheim depending on how far you have progressed in the game, attacking your base with different kinds of monsters. There are two different types of invasions:
- Boss Armies
- Monster Invasions
Invasions can start happening after you have built a base: Classified as a Campfire, Workbench, and Bed. They will also only occur when you are near a base (or anyone else on the server).
Boss Armies
Boss Armies will trigger depending on which Boss is next in your path. For instance, if you haven’t killed Eikthyr, you can face Forest Creature Invasions. If you have killed Eikthyr but haven’t killed The Elder, you can face Greydwarf Invasions.
| Message | Creatures | Starts After | Stops After |
|---|---|---|---|
| “Eikthyr rallies the creatures of the forest” | Boar, Neck | Building a Base | Killing Eikthyr |
| “The forest is moving…” | Greydwarf | Killing Eikthyr | Killing The Elder |
| “A foul smell from the swamp” | Draugr, Skeleton | Killing The Elder | Killing Bonemass |
| “A cold wind blows from the mountains” | Drake | Killing Bonemass | Killing Moder |
| “The smell of sulfur fills the air” | Surtling | Killing Moder | Killing Yagluth |
Monster Invasions
Monster Invasions will trigger after fulfilling a monster-based requirement. The most important invasion in this category is the Troll Invasion which can start happening anytime after you’ve killed 2 Trolls.
| Message | Creatures | Starts After |
|---|---|---|
| “Skeleton Surprise” | Skeleton, Rancid Remains | Killing Bonemass |
| “The ground is shaking” | Troll | Killing 2 Trolls |
| “The smell of sulfur fills the air” | Surtling | Killing Bonemass, Killed 1 Surtling |
| “You are being hunted” | Wolf |
Notes on Invasions
Invasions will only trigger if you are near a base, which means you cannot safely go AFK at your base for long periods of time. You can safely go AFK in a Dungeon that’s been cleared of all enemies.
The conditions for Monster Invasions and Boss Armies can be met at the same. It’s common for Troll Invasions to occur intermittently even though Boss Invasions are also triggering. We are not sure yet if more than one invasion can happen simultaneously.