Well I'm mixed here; This is not the first game I've played where you need to learn a spell or buy an item to identify items yourself. I can see how it is very non-intuitive but it is also not game breaking.
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At what point should you tell players everything and at what point should the player be discovering things on their own ?
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With regards to Otaku comment; his suggestion makes sense to him but I'm not sure I agree - these things are not absolute. I don't know factually because I haven't yet played this update but I presume that the item in question HELPs you identify items (i.e, dependent on stats and skills you can identify harder items but not necessarily all items) and therefore I very much disagree with his assertion that you should start with the item.
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I think I tend to draw the line on what should be given the player (as oppose to what they should have a chance to learn on their own) is dependent on where that 'thing' is along the slider of game breaking (the more minor the less hint).