[upsilon]

Well, mental governs allot of things, like your success rate when alchemize an item, wether you can learn a recipe, how frequently you can cast with magical rods, and your success rate writting scrolls. High mental level is very useful. Writting and using scrolls, and reading spells/recipes/etc build mental, as does using alchemy. Its very important for alchemists in particular, as well as mages.