The Udefrykte is a legendary troll (or type of troll) which haunts the colder regions. It devastates Thrisk Mead Hall, killing almost everyone in there and knocks down several large wooden pillars).
1:40
The Udrefryke was sealed away in its lair below Lake Fjalding, but due to the Blood Moon the ice on the lake melted, allowing the monster to roam free. You go into its lair and slay the beast.
The Udyrefrykte is almost certainly a reference to Grendel from the ancient poem Beowulf (it even has a mother who continues the nights of terror).
1:40


Svenja Snow-Song: He...he came to the mead hall and killed...killed everyone he could! There was no warning! My clan fought bravely, but they were no match. I rained arrows upon the beast, and finally drove him off. But he'll be back! It all happened so quickly. We were just standing here, enjoying our mead and the warmth of the fire, when he struck. Never have I seen a creature so savage. If I didn't know better, I'd say the monster that did this was the Udyrfrykte, but how could that be?
Unfortunately for Svenja, the nightmare doesn't end here. There is another Udyrfrykte, and the mother of the first, called the Udyrfryke Matron.Svenja Snow-Song: The Udyrfrykte is a remorseless monster with a taste for human flesh. According to legend, he has been sealed within his lair for centuries. The entrance is on the shore of Lake Fjalding, but it's covered with ice. How could he have escaped? Why now? Wait...the strange fire on the lake. You must have seen it. I do not know what sorcery caused that fell flame, but it must have melted the ice! If this is true, the Udyrfrykte is free to walk to lands. [Player Character], the beast must be stopped.
The Horror of Dive Rock (the Uderfryke Matron) is said to have killed over a dozen people. It's believed that the Uderfryke Matron moves around.I feared for my wife's sanity and happiness, but it was she who found a solution to her problem. As a warrior, she told me, she must confront her fear. She must defeat it. The Uderfrykte was dead, yes, but where did it come from? Was it unique? Would more of the creatures come, and wreak havoc once again? Would I, her loving husband, be killed? And so she corresponded with explorers and researchers all across Tamriel, until she found the answer she had been looking for. The Uderfrykte was in fact NOT unique, but the offspring of an ancient Uderfrykte Matron. In order to end the nightmares, in order to prevent any more destruction, we would need to hunt down and kill the Uderfrykte Matron, no matter where or how.
The Uderfrykte Matron is described as a giant troll-like beast which seems to waver and shimmer in the cold.Entry 3:
We found its trail and tracked it for days, crossing the border into the Imperial Province. Here in the frigid mountains, we met with a local hunter who tried to warn us away from the area, citing an old legend about a deadly creature known as the Horror of Dive Rock -- a monster credited with the slaying of over a dozen people, and just as much cattle. Could this creature be the very Uderfrykte Matron we seek? Perhaps, unlike its child on Solstheim, the Matron moves from location to location, and its this mobility that has thus far prevented its killing or capture?
The battle does not go well. Svenja is eaten by the monster, and the creature proves to be almost entirely resistant to ice. Even Agnar's steel axe is useless against it. Agnar comments on how he could hire a sorceror or buy an enchanted blade, but he doesn't as there is 'no time' with the Uderfrykte Matron.Entry 5:
Svenja has grown tired of my constant writing, but this journal will serve as a record of our travels and defeat against the Uderfrykte. She's staring at me angrily, impatiently, right now as I write, but this entry is too important -- finally, on this third day of watching, we've spotted it -- the Uderfrykte Matron! It is unlike anything we have ever lain eyes on, a giant, troll-like beast that seems to waver and shimmer in the cold -- like the feral form of winter itself! We're off now to trudge down the mountain, weapons in hand, and give the Horror of Dive Rock its due!
Another Udyrfrykte appears in the abandoned Dawnstar Dark Brotherhood sanctuary.Entry 6:
Failure and horror! We engaged the monster with all the force we could muster, but it was a travesty beyond comprehension. Svenja... My beautiful Svenja! My dear wife was killed instantly, consumed by the beast nearly whole! And though it shames me now to write these words, I could think of nothing more at the time than escape. I took flight, returning here to our camp on Dive Rock, to collect my thoughts and nerve.
I haven't much time. After this quick entry I will march out and meet the Uderfrykte Matron once more -- it is sure to track me back to this campsite anyway, so our confrontation is inevitable. Can I even hope to defeat this monstrosity? One thing is certain -- Svenja and I came hastily, unprepared. My steel axe? Useless. My dear wife's Frostwyrm Bow? Completely ineffective (and swallowed whole, still in Svenja's hand...).
The beast appears to be a creature of the cold, and is likely nearly completely resistant to it. I would attack with fire if I had any on hand. But there is no time. No time to travel to a mages guild and procure an enchanted blade, or hire the services of a sorceror. My steel axe will have to do. And so I return to battle now, and hope beyond hope that I may slay the wretched monster that has brought so much grief to so many people. And if not, I take comfort in knowing I will soon rejoin my beautiful bride in the gilded halls of Sovngarde.
