Hello!

How often do shopkeepers reset their inventory? I know in D2+3 it's every time you go back to town, but when I do that Griswold still has the same stuff. Thanks for replying.

Thanks!

Jarulf's Guide can address many questions about gameplay mechanics, some of which are hard to discern from casual experimentation. I suggest saving a local copy of it. You're welcome to ask here instead of searching it, but some answers may make more sense viewed in the full context of the Guide's tables, which is why I gave section numbers in my answer above. For example, if you care about the details of allowable premium items, the Guide gives you the formulas that govern them and has item tables you can use to determine whether your ideal item is possible and, if it is, when Griswold is most likely to offer it to you. Those formulas also explain why some items can never be offered to you. The Guide can also tell you the best places to look for certain unique items; the range of values a given enchantment can take (e.g. "What's the best possible +resist on a Jade item?"; Answer: 30%, according to [3.4] Prefixes and suffixes); what enchantments are allowed on a given base type; on what dungeon levels a given monster would appear; how that monster will behave (does it advance quickly, advance slowly, circle the target, etc.); and what spells to use (or not use) against each monster type.