No one knows for sure, and that's intentional.
Some wonder if he's the MC's actual grandfather (from his mother or his
(conveniently absent) father).
Some wonder if he's "The First" that Artifact talked about.
No one knows for sure. I'm more leaning on the theory that he's just meant to be a guide to each cycle.
Like the merchant collects stuff to help, Gramps would be just a guide. Not one of the cycles, but part of it.
And the reason he doesn't tell you shit is that he did give a previous cycle information but became too dependant and fucking died.
(Also it doesn't make sense to give all info right away on a game... Tho it is annoying that they dangle it like a carrot)
I've not used the patches so I couldn't know if MDS fucked up or it was end-user error.
For once I'm glad the game is not that big compared to others but damn it's still a sizeable download.
But yeah, I checked the code and the lamia has no other prerequisites.
If you can explore in the mountains you will find her on EAST > NORTH > EAST.
If you don't have Hidden Voices you won't get too far, but still, point is that it doesn't have any reason to fail unless the code for her event is missing.
(wrong version or messed up game files)
On
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there's a more polished update system if you use the itch.io launcher, but Arc only uploads the public in there (Thursday release).
So your game files are messed up, that's why the lamia doesn't work.
Almost certain that no.
From what I understand they might appear in sequels if some of the kids are "canon", but they won't get any older in this game.
(Adult Alice has been mentioned in a sequel)
Arc has expressed his distate for time-travel stuff and canonically the story doesn't transpire in more than one or two years.
The only reason the kids got this sort of "jump-start" to their biological age was so they weren't just useless rolls of sheets with a face and you could actually interact with them.
But some people still get ideas... No, it will not happen.
There's only a handful of them that are unlockable.
For most of them you just have to progress their stories and make the obvious choice.
Like,
Chloe you get from progressing the ORG storyline, and you change them on her room during the morning
(personality)
Gwen if you ignore her for too long
(no secks for a month... give or take)
Jessica likes when you call her aunt, and Adultress... 4th heart event, pretty obvious.
Pixie if you bang her on her "normal" size and schooled if you do a class with Fey on the college during weekends.
Qarinah was changed... it unlocks when she sort of helps you sleep better after her 4th heart event.