What happens in Ragnarok?
Spoilers for this episode and earlier events.
Freydis’s knowledge helps break Ivar’s control, showing that the vulnerability inside his household matters as much as the opposing army. The ceremony around Bjorn’s accession connects a new ruler with the family’s existing symbols of legitimacy. Ivar survives the defeat, so the change of ruler closes one campaign without resolving every claim or grievance.
- Season & episode
- Season 5, episode 20 of 20
- Series order
- 69 of 89
Story connections: Bjorn Ironside, Ivar the Boneless, King Harald Finehair and Lagertha.
Identify a face in this episode.
Episode references: HISTORY season guide.

Key events and consequences
Freydis's knowledge gives the attackers an opening that force alone has not supplied. Ivar's killing of her shows the personal cost of that break in loyalty, while his escape prevents the victory from ending every dispute. Bjorn's accession acquires the family's symbols of legitimacy without answering how he will use them.
- Freydis’s knowledge helps break Ivar’s control, showing that the vulnerability inside his household matters as much as the opposing army.
- The ceremony around Bjorn’s accession connects a new ruler with the family’s existing symbols of legitimacy.
- Ivar survives the defeat, so the change of ruler closes one campaign without resolving every claim or grievance.
Key characters

Bjorn Ironside
The ceremony around Bjorn’s accession connects a new ruler with the family’s existing symbols of legitimacy.
Character story
Ivar the Boneless
Freydis’s knowledge helps break Ivar’s control, showing that the vulnerability inside his household matters as much as the opposing army.
Character story
King Harald Finehair
Character story
Lagertha
Character story
Ubbe
Character story
Magnus
Character story
Freydis
Freydis’s knowledge helps break Ivar’s control, showing that the vulnerability inside his household matters as much as the opposing army.
Character storyLocations and story geography
Kattegat
Freydis's aid helps the attackers breach Ivar's control, turning the home port into the setting of another transfer of rule.
These are places in the story. For the real landscapes used on screen, explore the filming-location guide.
The episode breakdown
The finale distinguishes holding walls from sustaining allegiance. Ivar can defend a city, but the system around him fails when an intimate witness no longer supports his account of himself. Bjorn’s ceremony offers a different public story, built around inheritance and recognition. That is a meaningful change without being a guarantee that rule will now be simple. On a rewatch, compare the sword passed to the new king with the cart carrying the defeated one away: both images send a person into an uncertain next chapter.
Themes to follow
- Control of walls differs from loyalty within a household
- Recognition gives a new king a future to answer for