Ep 17. Excaliber

Kirito and his friends travel to the underground realm of Jotunheim in Alfheim Online to obtain the legendary sword Excalibur, which has the unique ability to freeze the entire world. Along the way, they encounter various obstacles and challenges, including fierce monsters and treacherous terrain. Despite these challenges, the group remains determined to obtain the sword and save both their virtual world and the real world from impending doom.

As the group continues their journey, they come across a snow-covered area and meet a talking dragon named Tonkii, who offers to help them find Excalibur. In exchange, Tonkii asks them to defeat a powerful boss named Thrym, who has stolen his toenail clippings. The group agrees to help him and soon finds themselves facing off against Thrym and his army of frost giants.

The battle is intense and grueling, but Kirito and his friends manage to defeat Thrym and retrieve Tonkii's toenail clippings. In return, Tonkii transforms into a giant flying ship and helps them reach the top of the World Tree, where Excalibur is located.

Once they finally reach the top, they discover that Excalibur is guarded by a powerful fairy queen named Freyja, who has the ability to control the weather. Kirito and his friends engage in a fierce battle with Freyja and her minions, but eventually manage to defeat them and claim Excalibur.

With the sword in their possession, Kirito and his friends return to their home in Alfheim Online to celebrate their victory. However, their celebrations are short-lived as they soon discover that one of their own has fallen ill, and the sword is the only way to save her. With no other options left, Kirito and his friends embark on a dangerous quest to use Excalibur's power to save their friends and protect both the virtual world and the real world from impending doom.

Overall, Excaliber is an exciting episode that is full of action, adventure, and drama. It showcases the strength and determination of Kirito and his friends as they complete yet another difficult quest to save their world and the people they care about. It also introduces new characters and challenges that keep the audience engaged and invested in the story. This episode is a must-watch for fans of Sword Art Online and fantasy adventure anime in general.