Wird es Kirito und seinen Freunden gelingen das legendäre Schwert Excaliber zu erbeuten?
Thrym engages the group in battle, and they are supported by Freyja, who overwhelms Thrym with her own attacks. Thrym retaliates by freezing most of the group with an ice breath, then sending them flying backward with a powerful stomp of his foot. Just as he is about to finish them off, the uninjured Sinon distracts Thrym while the other search for a large golden hammer purported by Freyja to belong to her family, which is essential in defeating him. Kirito finds the hammer and throws it to Freyja, who catches it and then suddenly transforms into Thor, the Norse god of thunder, to everyone's shock. Thor, enraged at Thrym for stealing his hammer, then joins the group in the fight against Thrym. Eventually, they manage to overwhelm him before Thor finishes him off. As a reward for aiding him in Thrym's defeat, Thor grants Klein with Mjölnir, much to his dissatisfaction. A secret staircase then opens up, which leads the group to the bottom of Þrymheimr, and Excaliber. Kirito manages to pull it out of the frozen puddle, but it causes Þrymheimr to fall apart. As the floor they are on plunges down a chasm, they are saved by Tonkii, and Kirito, knowing that Excaliber is too heavy for Tonkii to carry with everyone else throws it down the chasm, but Sinon retrieves it with a magic-assisted arrow. She gives Excaliber back to Kirito under the condition that he remember her every time he uses the sword. The group then observes as the chasm is flooded with water and the World Tree's roots extend to its surface, causing new trees to grow. Urðr and her sisters Verdandi and Skuld appear and thank them for saving Jötunheimr, and Urðr gifts Kirito with Excaliber. Sometime later, in the real world, Kazuto, Suguha, and Shino test out a device that converts real-time footage into pseudo-3D for Yui to interact in before having lunch with the rest of the group, celebrating the conclusion of the quest.
Kirito e gli altri affrontano il gigante malvagio Thrym. Non sarà per nulla facile, ma nel mezzo della battaglia qualcuno correrà in loro aiuto.
キリトたちはダンジョン最下層で待ち構えるボス・スリュムと対決。しかし、スリュムのＨＰをなかなか削りきれず、逆に冷気による攻撃を受けピンチに。そのとき、仲間に加えたフレイヤが声を上げ、スリュムを倒すには奪われた一族の秘宝・黄金の金槌が必要だと、キリトたちに告げる。キリトは雷系のソードスキルを使い、隠された金槌を発見。フレイヤに投げ渡すが……。
키리토의 파티는 라스트 보스 스림 앞에서 고전에 고전을 거듭했다. 이를 보다 못한 프레이야는 일족의 보물만이 유일한 희망이라고 말하는데... 보물 더미에서 가까스로 찾아낸 프레이야의 일족의 보물은 황금빛 망치였다.
Kirito e o pessoal estão lutando contra o Thrym, o último Chefão da Masmorra Thrymheim. No entanto, ao ver que o tempo se esgota e o HP do Thrym está longe de chegar a zero, a esperança do pessoal começa a enfraquecer. Nesse momento, a nova aliada, Freyja, oferece a sua ajuda
Kirito y los demás se enfrentan al gigante y malvado Thrym. No será nada fácil y en medio de la pelea aparecerá alguien. Más adelante, Kirito intentará controlar la Excaliber pero no será tan simple como cree.
桐人一行人在地宮的最底層與等待他們的BOSS索列姆對決。然而，索列姆的HP卻一直都沒有受到太多損傷，反而是他們受到寒氣的襲擊，陷入危機。這時候，加入他們一行的弗蕾亞對桐人說，要打敗索列姆，需要找到他們那一族被奪走的寶物"黃金的槌子"。桐人使用雷雷系的劍技，發現了隱藏的金槌，並將金槌扔給弗蕾亞，但是......
