Last words of each character:

Nott: “So... yes, you've convinced me I'm brave, but you are mighty and you should go forth and be happy.” [to Caleb]
Caduceus: “See you soon.” [to Beau]
Kingsley: “Magic man. Looking good.” [to Caleb]
Fjord: “Indeed, the Nein Heroez awaits.” [to Vandran]
Jester: “I just saw a sea turtle the size of a horse. Oh my gosh.” [to Beau via Sending]
Beau: “Yeah, we're looking at this petrified forest in the middle of Xhorhasian fields.” [to Jester via Sending]
Yasha: “Come back soon, we'll hang out, and go do stuff.” [to Jester via Sending]
Caleb: “My lifespan is a little shorter than yours, but for many years I have thought of this very thing” [to Essek]

​

Each character's first words can be found here. Only Molly is without new last words, Ending E26 with "You got that one?" to Keg.

This is not the ending, but an ending. The Mighty Nein will return!