Bit of a dumb question i just don't remember because i know it was reformed over the updates and what not , but what exactly is the difference between the orange and blue bar when you level up your talents ? Also do your talents deteriorate because you don't use them enough or does it naturally deterioate over time making it necessary to use your talents points on them ?
As far as the Orange and Blue, I have no idea, I don't think I have ever noticed that. I had typed up a bit about my guessing that it was fighter class related, but I asked in the Discord and got an answer about ten minutes later from Chyos. I didn't even tagged him, impressed with the fast reply. Which was:
"you had the right guess, it is because of class related attributes. however when I originally set them up I didn't go into deep settings with all classes. so this means for the hunter I did it, for the others I pretty mutch patched it together so that it works (because on existing saves you can't change the main attributes without breaking saves). Something I should probably put on my to do list for the next savebreaking update (in the far future).
but it doesn't have any consequences other than the color of the bar"
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As far as deterioration your talents don't deteriorate, ever. I am wondering what has led you to think that they do? They are just ways to strengthen each party member, that's why you spend them. Like a lot of RPG's when you level up, you get a skill / talent point to spend to customize your character. Talent points spent never go away.
(Yes, some quests require to level certain talents to complete the quest.)
how to trigger another kind of fairy tales julia quest?
For me, I seem to always trigger it after having sex in the kitchen.
But by that point I have already fucked her after cleaning up Yasmin, and in the MC's house. You also have to have had Giron introduce you to her when she brings tea to him when you get permission to send men into the mine.