The Original Sin
Weapon Info
Kanji メロダック
Romaji Merodakku
VRMMORPG Sword Art Online
New ALfheim Online
Weapon Type One Handed Long Sword
Obtained/Made By Hephaestus

The origin of all swords. Behold! Medorach!
~ Hao

Medorach is the very first sword of Hellkarium forged by Hephaestus. Hao uses it generally in combination with Dainsleif or Blutgang.


It is a pitch black sword similar to Lamentation, with red rubies adorning the blade. It has a cross-guard with silver angel wings. The handle is black with red decorations. The pommel is silver and resembles a crown.

The symbols on its edge read "termination".


It was obtained Hao, during one his journey through Aincrad. It's unknown under what circumstances



Long Sword / One Hand

  • Range: Short
  • Type: Slash
  • Attack: 1000
  • Durability: 2000
  • Weight: 150

Estimated Dimensions

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

Known Users


  • According to Hao, it was the original sword of SAO. Being the originating sword that eventually led to the legends of many other swords. Therefore, its epithet.

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