Weapon Info
Kanji ダインスレフ
Romaji Dainsurefu
VRMMORPG Sword Art Online
New ALfheim Online
Weapon Type One Handed Long Sword
Obtained/Made By Supreme Weapon

Dainsleif is a unique sword owned and used by Hao in Sword Art Online, as his principal weapon. It was later used in combination with Medorach.


It is a dark bladed sword, with a long red middle. The handle and crossguard resemble a silver bone.


At some point of the game it was found by Hao, since then it became his principal weapon.



Long Sword / One Hand

  • Range: Short
  • Type: Slash
  • Attack: 670-700
  • Durability: 1200
  • Weight: 160

Estimated Dimensions

  • Handle Length: 20cm
  • Blade Length: 80cm

Known Users


  • Is a demonic sword from the Nibelungen in the germanic mythology.
  • Hao holds this weapon high regard, since it was his first sword. And so, it trusts it to his second in command. 

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