Sårkløvr, the Kin-Cleaver
Longsword, uncommon (requires attunement)

Forged in the fjords of your lost homeland of The Frostclaw Highlands from layered Damascus steel, this wide-bladed Ulfberht longsword bears ancient runes etched along its length, glowing with cold fire when rage stirs. The curved dark-bronze crossguard and hilt gleam with embedded red rubies, golden-orange citrine, and white sapphires, culminating in a snarling wolf-head pommel whose jaws clamp a blazing citrine gemstone—its eyes flickering like the ghosts of your slain family. You wrenched it from the grip of the Vyrel Exile raider chieftain who led the slaughter your family, the blade drinking deep of his foul blood as your world burned; now it sings for the reckoning yet to come, binding your wrath to its unyielding edge, the wolf's head growling low approval in your hand or nipping sharply at your grip should you stray from its righteous call.
You gain a +1 bonus to attack and damage rolls made with this magic weapon. When raging, this bonus is increased to a +2 bonus to attack and damage rolls.
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Oath of the Fallen. Sårkløvr forges an unbreakable bond of loyalty with you, its ancestral spirit ensuring it remains ever at your side as the true champion of your vengeance—other blades pale in comparison, granting them only faltering strikes while wielded by you (disadvantage on attack rolls) while you are attuned to its singular might.
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Rage's Reckoning. When an enemy dares strike you in combat, Sårkløvr surges with the unquenchable fury of your betrayed kin (DC 15 Wisdom saving throw to harness its full power), compelling you to deliver swift, unrelenting justice in melee against the offender until one of you falls to 0 hit points or distance denies the retribution—your wrath embodied, no slight left unanswered.
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Steed-Warder. Sårkløvr hums and glows faintly purple at the approach of the Vyrel Exiles' frostwarped monstrosity horses, the Kragwarped—their twisted, mutated steeds warped by Zyralith Krag crystal shards into hulking abominations—alerting you from up to 120 feet away.