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Sinfjotli, the Vengeful Werewolf

“Vengeful Hero Turned Werewolf: The Legend of Sinfjotli!”

Sinfjotli, the Vengeful Werewolf
  • Alias: None known
  • Gender: Male
  • Race: Human (and Werewolf, due to a curse)
  • Occupation: Warrior, Adventurer
  • Religion: Worshiper of the Norse Gods, (Asgardian Pantheon)
  • Allies: His father Sigmund, his siblings, and other members of the Volsung family
  • Enemies: Those who seek to harm his family or have wronged them
  • Abode/Base of Operations: Often on the move, traveling through various lands and realms
  • Nationality: Norse, part of the Volsung clan
  • Languages: Old Norse, possibly other regional languages
  • Alignment: Chaotic Good (Chaotic Neutral internal struggle due to the curse)
  • Affiliation(s): Volsung family, allies of the Norse gods
  • Significant Others:
    • Sigurd: Once his closest ally, now the hero he seeks to confront.
    • Hjordis: Sinfjotli’s mother, who bore the burden of his tragic fate.
    • Gudrun: The woman he loves, caught between her loyalty to her family and her feelings for Sinfjotli.

    In the saga of the Volsungs, Sinfjotli emerges as a complex and intriguing character, renowned for his fierce warrior spirit and a tragic twist of fate. Son of the legendary hero Sigmund and the shape-shifting sorceress Hjordis, Sinfjotli’s destiny is entwined with a powerful curse that leads him on a path of vengeance and transformation. As a young man, Sinfjotli is driven by a desire to prove himself and honor his father’s legacy, and this unyielding ambition pushes him to take part in a series of heroic and sometimes reckless feats.

    However, as fate would have it, Sinfjotli becomes entangled in a web of deceit and betrayal. Betrayed by his stepmother Signy’s husband and her malicious plan, Sinfjotli suffers a grievous wound that sends him on a harrowing journey towards the brink of death. Through a dark and mystical encounter, he is granted a remarkable power – the ability to transform into a wolf – that both empowers and haunts him.

    Haunted by the injustice he has suffered, his life takes a dark turn, and his desire for vengeance intensifies. As he harnesses his newfound wolf form, he becomes a formidable force of fury and retribution, seeking justice for the wrongs done to him and his kin. However, this curse weighs heavily on his soul, constantly testing his resolve and loyalty to the ideals of honor and valor.

    Sinfjotli’s journey is one of self-discovery, redemption, and acceptance. As he navigates the treacherous waters of revenge, he is forced to confront the darker aspects of his nature and learn to balance the power within him. Ultimately, his desire for justice transforms into a quest for inner peace and understanding.

    Driven by a deep sense of loyalty and love for his family, Sinfjotli seeks to protect those he holds dear from harm. Alongside his father and siblings, he strives to defend the Volsung lineage and safeguard their legacy. Yet, in this turbulent world of gods and mortals, his choices will shape the course of his fate and those around him, forever etching his name into the annals of Norse mythology as a tragic hero with a legacy both feared and revered.

    Sinfjotli, the Vengeful Werewolf

    Medium humanoid (human, shapechanger), chaotic neutral

    Armor Class 15 (natural armor) Hit Points 210 (20d10 + 100) Speed 40 ft.

    20 (+5)18 (+4)20 (+5)14 (+2)16 (+3)12 (+1)

    Skills Perception +9, Athletics +10, Intimidation +6 Saving Throws Str +10, Dex +9, Con +10 Damage Resistances bludgeoning, piercing, and slashing damage from nonmagical attacks not made with silvered weapons Senses darkvision 60 ft., passive Perception 19 Languages Common, Norse

    Challenge 17 (18,000 XP)

    Shapechanger. Sinfjotli can use its action to polymorph into a wolf-humanoid hybrid or into a wolf, or back into its true form, which is humanoid. Its statistics, other than its size, are the same in each form. Any equipment it is wearing or carrying isn’t transformed. It reverts to its true form if it dies.

    Keen Smell. Sinfjotli has advantage on Wisdom (Perception) checks that rely on smell.

    Regeneration. Sinfjotli regains 20 hit points at the start of its turn if it has at least 1 hit point and isn’t in sunlight or running water. If Sinfjotli takes radiant damage or damage from a silvered weapon, this trait doesn’t function at the start of the next turn. Sinfjotli dies only if it starts its turn with 0 hit points and doesn’t regenerate.

    Shapechanger Disguise. Sinfjotli can magically disguise its appearance to appear as a normal human for 24 hours. The transformation lasts until Sinfjotli uses an action to end it or if it dies.


    Multiattack. Sinfjotli makes three attacks: two with his longsword and one with his bite.

    • Longsword. Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 16 (2d8 + 5) slashing damage.
    • Bite (Werewolf Form Only). Melee Weapon Attack: +10 to hit, reach 5 ft., one target. Hit: 12 (2d6 + 5) piercing damage. If the target is a humanoid, it must succeed on a DC 18 Constitution saving throw or be cursed with werewolf lycanthropy.
    • Enrage (Recharge 5-6). Sinfjotli enters a state of bloodthirsty rage. He gains advantage on Strength-based attacks and saving throws, and his melee attacks deal an additional 2d6 damage for 1 minute.

    Legendary Actions

    Sinfjotli can take 3 legendary actions, choosing from the options below. Only one legendary action option can be used at a time and only at the end of another creature’s turn. Sinfjotli regains spent legendary actions at the start of its turn.

    • Lunge. He moves up to his speed and makes one bite attack at the end of the movement.
    • Terrifying Howl (Costs 2 Actions). He emits a terrifying howl. Each creature of his choice within 60 feet that can hear him must succeed on a DC 18 Wisdom saving throw or become frightened for 1 minute.
    • Transformation (Costs 3 Actions). He changes between his humanoid and werewolf forms.

    Lair Actions

    On initiative count 20 (losing initiative ties), Sinfjotli can take a lair action to cause one of the following effects:

    • He summons a pack of wolves to aid him in battle. Roll 1d4+1, and that many wolves appear within 60 feet of him.
    • Hecreates an aura of darkness that covers a 30-foot radius centered on him. The darkness lasts until the start of his next turn and heavily obscures the area.
    • He uses his Enrage ability as a lair action.

    Legendary Resistance (3/Day). If Sinfjotli fails a saving throw, he can choose to succeed instead.


    • Longsword (treated as magical for overcoming resistance and immunity to nonmagical attacks and damage)
    • Amulet of Shapeshifting (allows Sinfjotli to transform into a wolf or humanoid at will)
    • Werewolf’s Mantle (provides a +1 bonus to AC and grants immunity to fear)
    • Moonlit Blade (magical longsword that deals an additional 1d6 radiant damage during the night)


    Sinfjotli, once the fierce and loyal comrade of the legendary hero Sigurd, was cursed with lycanthropy and became a vengeful werewolf. His wrath is fueled by the betrayal of his own family, who forsook him after learning of his cursed heritage. Seeking redemption and revenge, he roams the wilderness, battling both his inner demons and the enemies of the innocent. He embraces his wolf bloodline and roars his oath of vengeance against those who wronged him.

    • Sigurd: Once his closest ally, now the hero he seeks to confront.
    • Hjordis: Sinfjotli’s mother, who bore the burden of his tragic fate.
    • Gudrun: The woman he loves, caught between her loyalty to her family and her feelings for Sinfjotli.

    Currently in the World

    Sinfjotli is a rugged and imposing figure, standing tall with a warrior’s strength evident in his muscular frame. His long, unkempt hair flows like a dark waterfall down his broad shoulders, framing a face with sharp features and intense eyes that bear the weight of both sorrow and determination. A few scars mar his otherwise handsome countenance, testament to the battles he has fought and the challenges he has faced.

    Currently, Sinfjotli finds himself deep within a dense and ancient forest. Towering trees cast long shadows, and the soft rustling of leaves underfoot is accompanied by the distant calls of woodland creatures. With a wary yet focused expression, he moves with the stealth and grace of a seasoned hunter, his senses sharp, always alert to any potential danger that may lurk in the shadows.

    Despite the solemnity of his surroundings, there is a glint of purpose in his eyes. Sinfjotli is on a quest, driven by a sense of duty and a burning desire for vengeance. His heart aches for the wrongs done to his family, and he has sworn to bring justice to those responsible. Clutched in his hand is a hilt of a once-mighty sword, a treasured heirloom passed down through generations of his lineage.

    As he moves through the forest, the memory of his father, the legendary warrior Sigmund, guides him like a guiding star. The weight of his werewolf curse weighs heavily on his soul, a reminder of the darker side that dwells within. Yet, he has learned to harness this power, using it to protect his loved ones and strike fear into the hearts of his enemies.

    In this moment, Sinfjotli’s mood is a mix of determination and a hint of restlessness. The quest for justice has become a part of him, a driving force that propels him forward even in the face of adversity. The forest around him may be peaceful, but within him, a storm rages, fueled by the fire of a son seeking to avenge his family’s honor.

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