Yeah but I don't know which sprites are wrong I meant. I assume you were refering to something specific?
So basically the sprite is to represent the form which the abilities to buy are associated to look sometimes duplicate to other forms. But I can't completely tell.
I didn't miss it, since you beat the story, I figured, you must have figured out the puzzle already or else you would't had been able to procced the story and would still be stuck there. The yellow chest is also already open so you solved it.
I can't get to the left upper room. You must see the closed chest, right?
4 is the limit? I don't undertsand.
You mentioned that there is a limit to useful quest items. Since other quests are limited to 4 entries, I thought it was over that limit.
Also, I can't find a quest for the Golden Retriever demon I defeated in that list either. I've uploaded the save here: https://ufile.io/wemevhve