Will we see any of the one off human characters make a return ? The giant man that P and Storm interacted with in the town? Mr. Boar's crush? Etc.
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Some of the Hinterlands characters may pop up again! We plan on having a little episode where P returns there for some unfinished business if some conditions were met. The conditions are a bit complicated, though, so only people who really explored them should get this little adventure.
Greta is likely to make a return later in the game too. Who knows what she will be up to, though!
Some of the other characters may return, we will see. Not all, but a few.