Top 15 Greatest Weapons in D&D (Most Legendary Weapons): Page 12 of 13

D&D best weapons
A cloaked character wields a Sword of Answering


2. Sword of Kas

The dark blade harbors whispers of a forgotten age [Photo Credit: Wizards of the Coast]

Arguably the only thing more intimidating than the weapons of the archlich himself is the blade that killed him. Kas and Vecna destroyed each other in the fight, and amongst the rubble and ash, only this dark longsword remained of Kas. The Sword of Kas seeks the ruin of all life, not just that of Vecna, though that is its primary purpose.

Kas’ spirit grants superhuman speed at the start of every combat, as well as protection throughout. The weapon has potent spellcasting capabilities, allowing for everything from the summoning of arcane storms to the dispelling of powerful extradimensional entities. 

Kas’ spirit lives on in the sword, however, and every time it is unsheathed there is a chance that it will take over.

Sword of Kas Stats:

  • Requires attunement
  • +3 bonus to attack and damage rolls
  • Chaotic Evil
  • Scores a critical hit on a roll of 19 or 20
  • Deals 2d10 extra slashing damage to undead
  • Can add 1d10 to initiative at the start of every combat
  • Can transfer some or all of its attack bonus to Armor Class when you attack with the weapon
  • Can cast the following spells: call lightning, divine word, and finger of death.

Why this weapon is legendary:

  • Weapon of the one who destroyed Vecna
  • Powerful spellcasting capabilities
  • Extreme versatility in combat
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The darkest dungeons, fiercest dragons, and most memorable characters have taught me the power of storytelling, and that a good backstory is no less important than a good sword.
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