The goddess Urd is in danger and only Kirito and friends can save her! The evil frost giants have invaded her homeland of Jotunheim bringing death and destruction in their wake The linchpin of it all is the giant king&39;s sword-the legendary weapon Excalibur! If Kirito&39;s crew can make it to the end of the dungeon and pull the sword from the stone peace will be brought to the land once more!About the AuthorReki Kawahara is an award winning author best known for his light novel series Sword Art Online and Accel WorldTsubasa Haduki is the artist behind the manga adaptation for the Sword Art Online Fairy Dance and Mother&39;s Rosario arcs of the critically acclaimed light novel series Sword Art Online!