Many of what you named are things none of us have figured out. I imagine we will never have an answer. Speaking to the vampire about the sorcerers' defeat is just a bit of story flavor. There is no trigger for anything as far as any of us have found.
I wouldn't say that we will never find an answer - Takamakuran replied to a comment on his ci-en pn the 15th of July saying that they are working on an update (doesn't specify for which game), just that it is not yet developed enough to make a post about it. There is hope that all of our questions will be answered!
I havent tested it to be sure but Id expect the slime girl quest to not be tied to the mercenary leaders quest at all. At least Im confident you can go into the lizard cave as long as you kill 30 or so lizards and then just need to rescue the slime twice. Another oddity you didnt mention were the rare monster encounters. Some of them make sense but then the one that really bothered me was the hornbeast orb randomly showing up south of the starting village at a time when it would be trivial. At least Im confident it doesnt show earlier.
Edit: If your theory is what I think it is then it seems correct to me.
The bandit girl in the underground dungeon is actually the same one you encountered while on the road. She was attacking Merchant Girl and ran away when you killed her teammates.
There should be an explosion symbol next to your name while you're building up charges in-battle.
I see, the vampire thing I found it odd because if I talk the heretic priestess she aknowledges the sorcerers defeats like the vampire but theres not "transition, only the dev knows I suppose.
That could be true about the slime girl, doesn't seem to be much relation between the leader mercenary and it after all, I can confirm that too, once you kill enough lizards you can go in the cave before meeting the mercenary leader.
I guess I was misleading I mean the slave girl in the bandit camp thats broken, they make you feel bad if you touch her and disappears no matter what. I just confirmed she is the same girl eaten by the slime, the hair is unmistakable but you wouldnt think of her because shes malnourished when the slime eats her. Edit Heres the screenshots of her.
My mistake I meant the curvehorn that shows up as a red orb in the hornbeast area. I just double checked to be sure and its not there early I think it doesnt show up until you can head to meet Red sorcerer. The only reason I can think of why the dev added the orb was to make the player think "how did I miss that?" "how long was this orb sitting here for?" etc.
Good catch yeah he had to know what was there if red sorcerer knew. Another thing is when you let him live he says "you'll regret this, Merc" so seems likely that he agreed with Red Sorcerer.
Slave girl
Yeah every one of their games has one really messed up part, I think its to show how evil the corruption is.
Its strange, I wonder if you can only do it if you rush past her. I didnt mention it but you can also rush past the mercenaries to get to the bandit hideout before them but you cant do anything there. Its really weird that they added the check for merchant, I hate not saving her but I just have to know.
Assuming you mean the queen of the green aboriginals then the mountain would be directly west (left) from there or in the northwest (top left) part of the map.
If its not Craggy Ridge or mountain then I don't see a place on the map called Rugged Mountain.
That's true, maybe defeating the mantis like demon early this time could change that hopefully.
It should be Craggy Ridge then, thing is the guide you are using might not be on the same translation as the game were used to playing. And I dont know the names of any of the places anyway.
