Skyward

is the fifteenth episode of the first season of Critical Role. With the arrival of the envoys of Bahamut and the holy container in which to transport the evil Horn of Orcus, Vox Machina is permitted to embark on a skyship across the Ozmit Sea toward the distant and ancient city of Vasselheim.

Synopsis
The party finishes their necessary purchases within the city of Emon in preparation for their journey to Vasselheim—the world's oldest surviving stronghold of civilization—on the continent of Isilra to the west of Tal'Dorei. With the arrival of the envoys of Bahamut, and the holy container in which to transport the evil Horn of Orcus, Vox Machina is granted permission to embark from Emon on a skyship across the Ozmit Sea toward the distant city of Vasselheim.

As they traverse the expansive ocean, the ship is suddenly besieged by a band of wyvern- and griffon-riding bandits, tossing the deckhands overboard to their deaths. Vox Machina enters the fray, defending the skyship, and even taking a prisoner in the process.

With the battle over, and the ark still safe, the party prepares for their arrival in a strange, foreign land...