From Diablo Wiki
The basics of Diablo and Hellfire. Main pages for items, weapons, monsters, quests, and so forth. Reading these will get you up to speed on the game that started this whole series.
This category has the following 4 subcategories, out of 4 total.
Pages in category "D1 Basics"
The following 14 pages are in this category, out of 14 total.