Lore Potions
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The forums say it needs a basic reagent but in game it requires a greater reagent. It also is pretty hard to make at level one despite being a level 2 crafting.
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Greater is correct
costs 56gp (with flask) to craft via alchemy
costs 80gp to craft via feat
costs 90g to buy in shopdifficulty is based on Dex 30%, Int 35%, Wis35% plus your level of alchemy skill
so it depends on your stats and is different for everyone -