Assassin’s Creed Valhalla Old Hisser Mystery Guide

A complete collection of Assassin’s Creed Valhalla guides for the trickiest World Events, Mysteries, Collectibles, and more—everything you need to know about the latest Assassin’s Creed video game. AC Valhalla is a 2020 action role-playing video game developed by Ubisoft Montreal and published by Ubisoft.

The game was released on November 10, 2020, for PC, PlayStation 4, Xbox One, Xbox Series X and Series S, and Stadia, while the PlayStation 5 version was released on November 12. It was followed by Assassin’s Creed Mirage, released on October 5, 2023.

World Events (Mysteries):

Offering Altars: 

Flyting Duels:

Roman Artifacts:

Books Of Knowledge:

Fly Agarics Mysteries: 

Hoard Map Treasures:

Gear Locations:

Ingot Locations:

Tips & Tricks: 

Ostara Festival Guides:

Wrath of the Druids DLC Guides:

Sigrblot Festival Guides:

Siege Of Paris DLC Guides:

Crossover Stories DLC Guides:

Dawn Of Ragnarok DLC Guides:

Updated November 16, 2023

Frode & Arne are two Assassin’s Creed Valhalla NPCs you’ll meet in the southern part of the Cent region inside Dover Pharos tower. For these two AC Valhalla quest givers, you’ll have to complete a simple task that counts as a World Event, and it’s named The Lighthouse Twins. The twins have only one wish: to be reunited.

AC Valhalla The Lighthouse Twins World Event Location

The first thing we want to do here is to locate the twins. Or to find Frode & Arne. On my map below, you can see that The Lighthouse Twins world event is taking place at Dover Pharos, which is, in fact, an old tower, partially destroyed. It is southeast of Canterbury and east of Folcanstan, on the coast.

Assassin’s Creed Valhalla Lighthouse Twins World Event Guide

Get to this location, and inside the tower, you’ll find Frode with a broken leg. Talk to him, and he’ll tell you that his brother Arne wanted to see the Old Hisser because, according to a legend, if you catch the Old Hisser’s tail, you’ll be granted a wish.

The Old Hisser is a snake, in case you are wondering. Good, so Arne is up in the tower.

Where To Find the Old Hisser

Once you are done talking to Frode, look up, and you’ll see a series of platforms. Reaching the top of the tower, or the platform where Arne is located, is pretty simple for an assassin. So start following the wooden platforms and the ladders, but make sure you pay close attention because there are several snakes around.

Killing all of them is mandatory, or Arne won’t come down. The next obstacle you’ll have to deal with is the suspended ladder in my screenshot below.

Assassin’s Creed Valhalla Arne Brother Location

Shoot the red locker on the ladder to pull it down, then continue moving up. After you pull down the ladder and kill the last snake, you’ll find Arne, who is upset that his brother sent him up there. Talk to him, then he’ll follow you all the way down. Make sure you don’t rush forward and you don’t jump down from your current location.

Simply wait for him as he descends the tower. When the brothers reunite, the event ends, and you can hear them arguing as they depart. I am pretty sure you’ll see them again, though.

A complete collection of Assassin’s Creed Valhalla guides for the trickiest World Events, Mysteries, Collectibles, and more—everything you need to know about the latest Assassin’s Creed video game. AC Valhalla is a 2020 action role-playing video game developed by Ubisoft Montreal and published by Ubisoft.

The game was released on November 10, 2020, for PC, PlayStation 4, Xbox One, Xbox Series X and Series S, and Stadia, while the PlayStation 5 version was released on November 12. It was followed by Assassin’s Creed Mirage, released on October 5, 2023.

World Events (Mysteries):

Offering Altars: 

Flyting Duels:

Roman Artifacts:

Books Of Knowledge:

Fly Agarics Mysteries: 

Hoard Map Treasures:

Gear Locations:

Ingot Locations:

Tips & Tricks: 

Ostara Festival Guides:

Wrath of the Druids DLC Guides:

Sigrblot Festival Guides:

Siege Of Paris DLC Guides:

Crossover Stories DLC Guides:

Dawn Of Ragnarok DLC Guides:

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Vlad Susanu
Written by
Vlad Susanu

Founder and Senior Content Producer at GameClubz, Vlad is the former CEO of VGFAQ.com and Primewikis.com. He's been playing video games since 1994 and likes keeping up with the latest releases, increasing his collection of PlayStation trophies daily.

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